NP-MRD: Showing NP-Card for 10-hydroxy-8-{10-hydroxy-7-methoxy-3-methyl-1,6,9-trioxo-3h,4h-naphtho[2,3-c]pyran-8-yl}-7-methoxy-3-methyl-3h,4h-naphtho[2,3-c]pyran-1,6,9-trione (NP0286778)

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Record Information

Version

2.0

Created at

2022-09-09 15:31:03 UTC

Updated at

2022-09-09 15:31:03 UTC

NP-MRD ID

NP0286778

Secondary Accession Numbers

None

Natural Product Identification

Common Name

10-hydroxy-8-{10-hydroxy-7-methoxy-3-methyl-1,6,9-trioxo-3h,4h-naphtho[2,3-c]pyran-8-yl}-7-methoxy-3-methyl-3h,4h-naphtho[2,3-c]pyran-1,6,9-trione

Description

Xanthomegnin belongs to the class of organic compounds known as isochromanequinones. These are polycyclic compounds containing an isochromanequinone, which is structurally characterized by a quinone fused to an isochromane, and forming a naphtho[2,3-c]pyran-6,9-dione skeleton. In humans and animals, oral intake of xanthomegnin leads to kidney and liver abnormalities, often first presenting as jaundice. Xanthomegnin is an extremely weak basic (essentially neutral) compound (based on its pKa). Xanthomegnin is a potentially toxic compound. Xanthomegnin is a mutagenic mycotoxin isolated from Penicillium citreo-viride. It is known to cause nephropathy and death in farm animals exposed to food-borne Penicillium (and Aspergillus fungi). Death may result. 10-hydroxy-8-{10-hydroxy-7-methoxy-3-methyl-1,6,9-trioxo-3h,4h-naphtho[2,3-c]pyran-8-yl}-7-methoxy-3-methyl-3h,4h-naphtho[2,3-c]pyran-1,6,9-trione is found in Aspergillus melleus and Penicillium viridicatum. The compound has been shown to interfere with cellular respiratory processes and has given positive results in tests for genotoxic potential.

Structure

MOL 3D MOL SDF PDB SMILES InChI


  Mrv0541 02241212322D          

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  Mrv0541 02241212322D          

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   -1.4289    0.0000    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
   -1.4289    0.8250    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   -4.2868   -2.4750    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
   -5.7158   -1.6500    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   -5.7158   -2.4750    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
   -6.4302   -1.2375    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
  1  2  1  0  0  0  0
  2  3  1  0  0  0  0
  3  4  1  0  0  0  0
  4  5  2  0  0  0  0
  5  6  1  0  0  0  0
  6  7  2  0  0  0  0
  7  8  1  0  0  0  0
  8  9  2  0  0  0  0
  4  9  1  0  0  0  0
  8 10  1  0  0  0  0
 10 11  2  0  0  0  0
 10 12  1  0  0  0  0
 12 13  2  0  0  0  0
 13 14  1  0  0  0  0
  7 14  1  0  0  0  0
 14 15  2  0  0  0  0
 13 16  1  0  0  0  0
 16 17  2  0  0  0  0
 17 18  1  0  0  0  0
 18 19  2  0  0  0  0
 18 20  1  0  0  0  0
 20 21  2  0  0  0  0
 21 22  1  0  0  0  0
 22 23  2  0  0  0  0
 23 24  1  0  0  0  0
 24 25  2  0  0  0  0
 20 25  1  0  0  0  0
 25 26  1  0  0  0  0
 16 26  1  0  0  0  0
 26 27  2  0  0  0  0
 24 28  1  0  0  0  0
 23 29  1  0  0  0  0
 29 30  2  0  0  0  0
 29 31  1  0  0  0  0
 31 32  1  0  0  0  0
 32 33  1  0  0  0  0
 22 33  1  0  0  0  0
 32 34  1  0  0  0  0
 17 35  1  0  0  0  0
 35 36  1  0  0  0  0
 12 37  1  0  0  0  0
 37 38  1  0  0  0  0
  6 39  1  0  0  0  0
  5 40  1  0  0  0  0
 40 41  2  0  0  0  0
 40 42  1  0  0  0  0
  2 42  1  0  0  0  0
M  END
> <DATABASE_ID>
NP0286778

> <DATABASE_NAME>
NP-MRD

> <SMILES>
COC1=C(C(=O)C2=C(O)C3=C(CC(C)OC3=O)C=C2C1=O)C1=C(OC)C(=O)C2=CC3=C(C(=O)OC(C)C3)C(O)=C2C1=O

> <INCHI_IDENTIFIER>
InChI=1S/C30H22O12/c1-9-5-11-7-13-17(23(33)15(11)29(37)41-9)25(35)19(27(39-3)21(13)31)20-26(36)18-14(22(32)28(20)40-4)8-12-6-10(2)42-30(38)16(12)24(18)34/h7-10,33-34H,5-6H2,1-4H3

> <INCHI_KEY>
WICHONPZVIYWIJ-UHFFFAOYSA-N

> <FORMULA>
C30H22O12

> <MOLECULAR_WEIGHT>
574.4885

> <EXACT_MASS>
574.111126168

> <JCHEM_ACCEPTOR_COUNT>
10

> <JCHEM_AVERAGE_POLARIZABILITY>
57.06414153705741

> <JCHEM_BIOAVAILABILITY>
1

> <JCHEM_DONOR_COUNT>
2

> <JCHEM_FORMAL_CHARGE>
0

> <JCHEM_GHOSE_FILTER>
0

> <JCHEM_IUPAC>
10-hydroxy-8-{10-hydroxy-7-methoxy-3-methyl-1,6,9-trioxo-1H,3H,4H,6H,9H-naphtho[2,3-c]pyran-8-yl}-7-methoxy-3-methyl-1H,3H,4H,6H,9H-naphtho[2,3-c]pyran-1,6,9-trione

> <ALOGPS_LOGP>
3.24

> <JCHEM_LOGP>
4.1279634099999996

> <ALOGPS_LOGS>
-4.62

> <JCHEM_MDDR_LIKE_RULE>
0

> <JCHEM_NUMBER_OF_RINGS>
6

> <JCHEM_PHYSIOLOGICAL_CHARGE>
0

> <JCHEM_PKA>
9.480894253858972

> <JCHEM_PKA_STRONGEST_ACIDIC>
8.87880537755783

> <JCHEM_PKA_STRONGEST_BASIC>
-3.193697185580163

> <JCHEM_POLAR_SURFACE_AREA>
179.79999999999998

> <JCHEM_REFRACTIVITY>
146.98279999999997

> <JCHEM_ROTATABLE_BOND_COUNT>
3

> <JCHEM_RULE_OF_FIVE>
0

> <ALOGPS_SOLUBILITY>
1.37e-02 g/l

> <JCHEM_TRADITIONAL_IUPAC>
10-hydroxy-8-{10-hydroxy-7-methoxy-3-methyl-1,6,9-trioxo-3H,4H-naphtho[2,3-c]pyran-8-yl}-7-methoxy-3-methyl-3H,4H-naphtho[2,3-c]pyran-1,6,9-trione

> <JCHEM_VEBER_RULE>
0

$$$$

HEADER    PROTEIN                                 24-FEB-12   NONE
TITLE     NULL                                                        
COMPND    NULL                                                        
SOURCE    NULL                                                        
KEYWDS    NULL                                                        
EXPDTA    NULL                                                        
AUTHOR    Marvin                                                      
REVDAT   1   24-FEB-12         0                                  
HETATM    1  C   UNK     0     -13.337   0.000   0.000  0.00  0.00           C+0
HETATM    2  C   UNK     0     -12.003  -0.770   0.000  0.00  0.00           C+0
HETATM    3  C   UNK     0     -10.669   0.000   0.000  0.00  0.00           C+0
HETATM    4  C   UNK     0      -9.336  -0.770   0.000  0.00  0.00           C+0
HETATM    5  C   UNK     0      -9.336  -2.310   0.000  0.00  0.00           C+0
HETATM    6  C   UNK     0      -8.002  -3.080   0.000  0.00  0.00           C+0
HETATM    7  C   UNK     0      -6.668  -2.310   0.000  0.00  0.00           C+0
HETATM    8  C   UNK     0      -6.668  -0.770   0.000  0.00  0.00           C+0
HETATM    9  C   UNK     0      -8.002   0.000   0.000  0.00  0.00           C+0
HETATM   10  C   UNK     0      -5.335   0.000   0.000  0.00  0.00           C+0
HETATM   11  O   UNK     0      -5.335   1.540   0.000  0.00  0.00           O+0
HETATM   12  C   UNK     0      -4.001  -0.770   0.000  0.00  0.00           C+0
HETATM   13  C   UNK     0      -4.001  -2.310   0.000  0.00  0.00           C+0
HETATM   14  C   UNK     0      -5.335  -3.080   0.000  0.00  0.00           C+0
HETATM   15  O   UNK     0      -5.335  -4.620   0.000  0.00  0.00           O+0
HETATM   16  C   UNK     0      -2.667  -3.080   0.000  0.00  0.00           C+0
HETATM   17  C   UNK     0      -2.667  -4.620   0.000  0.00  0.00           C+0
HETATM   18  C   UNK     0      -1.334  -5.390   0.000  0.00  0.00           C+0
HETATM   19  O   UNK     0      -1.334  -6.930   0.000  0.00  0.00           O+0
HETATM   20  C   UNK     0       0.000  -4.620   0.000  0.00  0.00           C+0
HETATM   21  C   UNK     0       1.334  -5.390   0.000  0.00  0.00           C+0
HETATM   22  C   UNK     0       2.667  -4.620   0.000  0.00  0.00           C+0
HETATM   23  C   UNK     0       2.667  -3.080   0.000  0.00  0.00           C+0
HETATM   24  C   UNK     0       1.334  -2.310   0.000  0.00  0.00           C+0
HETATM   25  C   UNK     0       0.000  -3.080   0.000  0.00  0.00           C+0
HETATM   26  C   UNK     0      -1.334  -2.310   0.000  0.00  0.00           C+0
HETATM   27  O   UNK     0      -1.334  -0.770   0.000  0.00  0.00           O+0
HETATM   28  O   UNK     0       1.334  -0.770   0.000  0.00  0.00           O+0
HETATM   29  C   UNK     0       4.001  -2.310   0.000  0.00  0.00           C+0
HETATM   30  O   UNK     0       4.001  -0.770   0.000  0.00  0.00           O+0
HETATM   31  O   UNK     0       5.335  -3.080   0.000  0.00  0.00           O+0
HETATM   32  C   UNK     0       5.335  -4.620   0.000  0.00  0.00           C+0
HETATM   33  C   UNK     0       4.001  -5.390   0.000  0.00  0.00           C+0
HETATM   34  C   UNK     0       6.668  -5.390   0.000  0.00  0.00           C+0
HETATM   35  O   UNK     0      -4.001  -5.390   0.000  0.00  0.00           O+0
HETATM   36  C   UNK     0      -4.001  -6.930   0.000  0.00  0.00           C+0
HETATM   37  O   UNK     0      -2.667   0.000   0.000  0.00  0.00           O+0
HETATM   38  C   UNK     0      -2.667   1.540   0.000  0.00  0.00           C+0
HETATM   39  O   UNK     0      -8.002  -4.620   0.000  0.00  0.00           O+0
HETATM   40  C   UNK     0     -10.669  -3.080   0.000  0.00  0.00           C+0
HETATM   41  O   UNK     0     -10.669  -4.620   0.000  0.00  0.00           O+0
HETATM   42  O   UNK     0     -12.003  -2.310   0.000  0.00  0.00           O+0
CONECT    1    2                                                            
CONECT    2    1    3   42                                                  
CONECT    3    2    4                                                       
CONECT    4    3    5    9                                                  
CONECT    5    4    6   40                                                  
CONECT    6    5    7   39                                                  
CONECT    7    6    8   14                                                  
CONECT    8    7    9   10                                                  
CONECT    9    8    4                                                       
CONECT   10    8   11   12                                                  
CONECT   11   10                                                            
CONECT   12   10   13   37                                                  
CONECT   13   12   14   16                                                  
CONECT   14   13    7   15                                                  
CONECT   15   14                                                            
CONECT   16   13   17   26                                                  
CONECT   17   16   18   35                                                  
CONECT   18   17   19   20                                                  
CONECT   19   18                                                            
CONECT   20   18   21   25                                                  
CONECT   21   20   22                                                       
CONECT   22   21   23   33                                                  
CONECT   23   22   24   29                                                  
CONECT   24   23   25   28                                                  
CONECT   25   24   20   26                                                  
CONECT   26   25   16   27                                                  
CONECT   27   26                                                            
CONECT   28   24                                                            
CONECT   29   23   30   31                                                  
CONECT   30   29                                                            
CONECT   31   29   32                                                       
CONECT   32   31   33   34                                                  
CONECT   33   32   22                                                       
CONECT   34   32                                                            
CONECT   35   17   36                                                       
CONECT   36   35                                                            
CONECT   37   12   38                                                       
CONECT   38   37                                                            
CONECT   39    6                                                            
CONECT   40    5   41   42                                                  
CONECT   41   40                                                            
CONECT   42   40    2                                                       
MASTER        0    0    0    0    0    0    0    0   42    0   94    0
END

View in JSmol

Synonyms

Value	Source
3,3'-Bis(2-methoxy-5-hydroxy-7-(2-hydroxypropyl)-8- carboxyl-1,4-naphthoquinone lactone)	MeSH

Chemical Formula

C₃₀H₂₂O₁₂

Average Mass

574.4885 Da

Monoisotopic Mass

574.11113 Da

IUPAC Name

10-hydroxy-8-{10-hydroxy-7-methoxy-3-methyl-1,6,9-trioxo-1H,3H,4H,6H,9H-naphtho[2,3-c]pyran-8-yl}-7-methoxy-3-methyl-1H,3H,4H,6H,9H-naphtho[2,3-c]pyran-1,6,9-trione

Traditional Name

10-hydroxy-8-{10-hydroxy-7-methoxy-3-methyl-1,6,9-trioxo-3H,4H-naphtho[2,3-c]pyran-8-yl}-7-methoxy-3-methyl-3H,4H-naphtho[2,3-c]pyran-1,6,9-trione

CAS Registry Number

Not Available

SMILES

COC1=C(C(=O)C2=C(O)C3=C(CC(C)OC3=O)C=C2C1=O)C1=C(OC)C(=O)C2=CC3=C(C(=O)OC(C)C3)C(O)=C2C1=O

InChI Identifier

InChI=1S/C30H22O12/c1-9-5-11-7-13-17(23(33)15(11)29(37)41-9)25(35)19(27(39-3)21(13)31)20-26(36)18-14(22(32)28(20)40-4)8-12-6-10(2)42-30(38)16(12)24(18)34/h7-10,33-34H,5-6H2,1-4H3

InChI Key

WICHONPZVIYWIJ-UHFFFAOYSA-N

Experimental Spectra

Not Available

Predicted Spectra

Spectrum Type	Description	Depositor ID	Depositor Organization	Depositor	Deposition Date	View
1D NMR	¹³C NMR Spectrum (1D, 25 MHz, H₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹H NMR Spectrum (1D, 100 MHz, H₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹³C NMR Spectrum (1D, 252 MHz, H₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹H NMR Spectrum (1D, 1000 MHz, H₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹³C NMR Spectrum (1D, 50 MHz, H₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹H NMR Spectrum (1D, 200 MHz, H₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹³C NMR Spectrum (1D, 75 MHz, H₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹H NMR Spectrum (1D, 300 MHz, H₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹³C NMR Spectrum (1D, 101 MHz, H₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹H NMR Spectrum (1D, 400 MHz, H₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹³C NMR Spectrum (1D, 126 MHz, H₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹H NMR Spectrum (1D, 500 MHz, H₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹³C NMR Spectrum (1D, 151 MHz, H₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹H NMR Spectrum (1D, 600 MHz, H₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹³C NMR Spectrum (1D, 176 MHz, H₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹H NMR Spectrum (1D, 700 MHz, H₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹³C NMR Spectrum (1D, 201 MHz, H₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹H NMR Spectrum (1D, 800 MHz, H₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹³C NMR Spectrum (1D, 226 MHz, H₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹H NMR Spectrum (1D, 900 MHz, H₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum

Chemical Shift Submissions

Not Available

Species

Species of Origin

Species Name	Source	Reference
Aspergillus melleus	LOTUS Database	35616633
Penicillium viridicatum	LOTUS Database	35616633

Chemical Taxonomy

Description

Belongs to the class of organic compounds known as isochromanequinones. These are polycyclic compounds containing an isochromanequinone, which is structurally characterized by a quinone fused to an isochromane, and forming a naphtho[2,3-c]pyran-6,9-dione skeleton.

Kingdom

Organic compounds

Super Class

Phenylpropanoids and polyketides

Class

Isochromanequinones

Sub Class

Not Available

Direct Parent

Isochromanequinones

Alternative Parents

Substituents

Isochromanequinone
Naphthopyranone
Naphthopyran
Naphthoquinone
Benzopyran
Isochromane
Naphthalene
2-benzopyran
Aryl ketone
Quinone
1-hydroxy-4-unsubstituted benzenoid
Pyranone
Dicarboxylic acid or derivatives
Benzenoid
Pyran
Vinylogous ester
Vinylogous acid
Lactone
Ketone
Carboxylic acid ester
Organoheterocyclic compound
Oxacycle
Carboxylic acid derivative
Hydrocarbon derivative
Organic oxide
Organic oxygen compound
Organooxygen compound
Aromatic heteropolycyclic compound

Molecular Framework

Aromatic heteropolycyclic compounds

External Descriptors

Not Available

Physical Properties

State

Not Available

Experimental Properties

Property	Value	Reference
Melting Point	Not Available	Not Available
Boiling Point	Not Available	Not Available
Water Solubility	Not Available	Not Available
LogP	Not Available	Not Available

Predicted Properties

Property	Value	Source
logP	3.24	ALOGPS
logP	4.13	ChemAxon
logS	-4.6	ALOGPS
pKa (Strongest Acidic)	8.88	ChemAxon
pKa (Strongest Basic)	-3.2	ChemAxon
Physiological Charge	0	ChemAxon
Hydrogen Acceptor Count	10	ChemAxon
Hydrogen Donor Count	2	ChemAxon
Polar Surface Area	179.8 Å²	ChemAxon
Rotatable Bond Count	3	ChemAxon
Refractivity	146.98 m³·mol⁻¹	ChemAxon
Polarizability	57.06 Å³	ChemAxon
Number of Rings	6	ChemAxon
Bioavailability	Yes	ChemAxon
Rule of Five	No	ChemAxon
Ghose Filter	No	ChemAxon
Veber's Rule	No	ChemAxon
MDDR-like Rule	No	ChemAxon

External Links

HMDB ID

Not Available

DrugBank ID

Not Available

Phenol Explorer Compound ID

Not Available

FoodDB ID

Not Available

KNApSAcK ID

Not Available

Chemspider ID

Not Available

KEGG Compound ID

Not Available

BioCyc ID

Not Available

BiGG ID

Not Available

Wikipedia Link

Not Available

METLIN ID

Not Available

PubChem Compound

15519

PDB ID

Not Available

ChEBI ID

Not Available

Good Scents ID

Not Available

References

General References

LOTUS database [Link]

Showing NP-Card for 10-hydroxy-8-{10-hydroxy-7-methoxy-3-methyl-1,6,9-trioxo-3h,4h-naphtho[2,3-c]pyran-8-yl}-7-methoxy-3-methyl-3h,4h-naphtho[2,3-c]pyran-1,6,9-trione (NP0286778)

MOL for NP0286778 (10-hydroxy-8-{10-hydroxy-7-methoxy-3-methyl-1,6,9-trioxo-3h,4h-naphtho[2,3-c]pyran-8-yl}-7-methoxy-3-methyl-3h,4h-naphtho[2,3-c]pyran-1,6,9-trione)

3D MOL for NP0286778 (10-hydroxy-8-{10-hydroxy-7-methoxy-3-methyl-1,6,9-trioxo-3h,4h-naphtho[2,3-c]pyran-8-yl}-7-methoxy-3-methyl-3h,4h-naphtho[2,3-c]pyran-1,6,9-trione)

3D SDF for NP0286778 (10-hydroxy-8-{10-hydroxy-7-methoxy-3-methyl-1,6,9-trioxo-3h,4h-naphtho[2,3-c]pyran-8-yl}-7-methoxy-3-methyl-3h,4h-naphtho[2,3-c]pyran-1,6,9-trione)

3D-SDF for NP0286778 (10-hydroxy-8-{10-hydroxy-7-methoxy-3-methyl-1,6,9-trioxo-3h,4h-naphtho[2,3-c]pyran-8-yl}-7-methoxy-3-methyl-3h,4h-naphtho[2,3-c]pyran-1,6,9-trione)

PDB for NP0286778 (10-hydroxy-8-{10-hydroxy-7-methoxy-3-methyl-1,6,9-trioxo-3h,4h-naphtho[2,3-c]pyran-8-yl}-7-methoxy-3-methyl-3h,4h-naphtho[2,3-c]pyran-1,6,9-trione)

3D PDB for NP0286778 (10-hydroxy-8-{10-hydroxy-7-methoxy-3-methyl-1,6,9-trioxo-3h,4h-naphtho[2,3-c]pyran-8-yl}-7-methoxy-3-methyl-3h,4h-naphtho[2,3-c]pyran-1,6,9-trione)

SMILES for NP0286778 (10-hydroxy-8-{10-hydroxy-7-methoxy-3-methyl-1,6,9-trioxo-3h,4h-naphtho[2,3-c]pyran-8-yl}-7-methoxy-3-methyl-3h,4h-naphtho[2,3-c]pyran-1,6,9-trione)

INCHI for NP0286778 (10-hydroxy-8-{10-hydroxy-7-methoxy-3-methyl-1,6,9-trioxo-3h,4h-naphtho[2,3-c]pyran-8-yl}-7-methoxy-3-methyl-3h,4h-naphtho[2,3-c]pyran-1,6,9-trione)

Structure for NP0286778 (10-hydroxy-8-{10-hydroxy-7-methoxy-3-methyl-1,6,9-trioxo-3h,4h-naphtho[2,3-c]pyran-8-yl}-7-methoxy-3-methyl-3h,4h-naphtho[2,3-c]pyran-1,6,9-trione)

3D Structure for NP0286778 (10-hydroxy-8-{10-hydroxy-7-methoxy-3-methyl-1,6,9-trioxo-3h,4h-naphtho[2,3-c]pyran-8-yl}-7-methoxy-3-methyl-3h,4h-naphtho[2,3-c]pyran-1,6,9-trione)