NP-MRD: Showing NP-Card for 4,7,8-trihydroxy-2,3,3-trimethyl-2h-furo[3,2-b]xanthen-5-one (NP0173187)

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Record Information

Version

2.0

Created at

2022-09-03 10:16:48 UTC

Updated at

2022-09-03 10:16:48 UTC

NP-MRD ID

NP0173187

Secondary Accession Numbers

None

Natural Product Identification

Common Name

4,7,8-trihydroxy-2,3,3-trimethyl-2h-furo[3,2-b]xanthen-5-one

Description

4,7,8-Trihydroxy-2,3,3-trimethyl-2H,3H,5H-furo[3,2-b]xanthen-5-one belongs to the class of organic compounds known as xanthones. These are polycyclic aromatic compounds containing a xanthene moiety conjugated to a ketone group at carbon 9. Xanthene is a tricyclic compound made up of two benzene rings linearly fused to each other through a pyran ring. Based on a literature review very few articles have been published on 4,7,8-trihydroxy-2,3,3-trimethyl-2H,3H,5H-furo[3,2-b]xanthen-5-one.

Structure

MOL 3D MOL SDF PDB SMILES InChI

     RDKit          3D

 40 43  0  0  0  0  0  0  0  0999 V2000
   -4.8383    1.3673   -1.1259 C   0  0  0  0  0  0  0  0  0  0  0  0
   -3.7315    1.2263   -0.1347 C   0  0  2  0  0  0  0  0  0  0  0  0
   -2.6495    2.0634   -0.5698 O   0  0  0  0  0  0  0  0  0  0  0  0
   -1.4478    1.3936   -0.3463 C   0  0  0  0  0  0  0  0  0  0  0  0
   -0.1588    1.8665   -0.3972 C   0  0  0  0  0  0  0  0  0  0  0  0
    0.9166    1.0392   -0.1416 C   0  0  0  0  0  0  0  0  0  0  0  0
    2.1505    1.5007   -0.1924 O   0  0  0  0  0  0  0  0  0  0  0  0
    3.2063    0.7563    0.0420 C   0  0  0  0  0  0  0  0  0  0  0  0
    4.4891    1.3004   -0.0265 C   0  0  0  0  0  0  0  0  0  0  0  0
    5.6038    0.5371    0.2155 C   0  0  0  0  0  0  0  0  0  0  0  0
    6.9068    1.0592    0.1533 O   0  0  0  0  0  0  0  0  0  0  0  0
    5.3964   -0.7997    0.5312 C   0  0  0  0  0  0  0  0  0  0  0  0
    6.5459   -1.5740    0.7776 O   0  0  0  0  0  0  0  0  0  0  0  0
    4.1519   -1.3575    0.6049 C   0  0  0  0  0  0  0  0  0  0  0  0
    3.0407   -0.5719    0.3577 C   0  0  0  0  0  0  0  0  0  0  0  0
    1.7666   -1.0966    0.4219 C   0  0  0  0  0  0  0  0  0  0  0  0
    1.6722   -2.2965    0.7099 O   0  0  0  0  0  0  0  0  0  0  0  0
    0.6786   -0.2995    0.1730 C   0  0  0  0  0  0  0  0  0  0  0  0
   -0.6247   -0.7672    0.2219 C   0  0  0  0  0  0  0  0  0  0  0  0
   -0.8835   -2.0671    0.5259 O   0  0  0  0  0  0  0  0  0  0  0  0
   -1.7141    0.0934   -0.0425 C   0  0  0  0  0  0  0  0  0  0  0  0
   -3.1692   -0.1722   -0.0503 C   0  0  0  0  0  0  0  0  0  0  0  0
   -3.6642   -0.8397    1.1902 C   0  0  0  0  0  0  0  0  0  0  0  0
   -3.5548   -1.0146   -1.2434 C   0  0  0  0  0  0  0  0  0  0  0  0
   -5.5265    0.5008   -1.0605 H   0  0  0  0  0  0  0  0  0  0  0  0
   -4.4818    1.5281   -2.1633 H   0  0  0  0  0  0  0  0  0  0  0  0
   -5.4397    2.2610   -0.8444 H   0  0  0  0  0  0  0  0  0  0  0  0
   -4.0465    1.6293    0.8427 H   0  0  0  0  0  0  0  0  0  0  0  0
    0.0258    2.8961   -0.6391 H   0  0  0  0  0  0  0  0  0  0  0  0
    4.6046    2.3562   -0.2782 H   0  0  0  0  0  0  0  0  0  0  0  0
    6.9855    2.0368   -0.0812 H   0  0  0  0  0  0  0  0  0  0  0  0
    6.3938   -2.5450    1.0068 H   0  0  0  0  0  0  0  0  0  0  0  0
    3.9849   -2.4084    0.8529 H   0  0  0  0  0  0  0  0  0  0  0  0
   -0.3315   -2.8158    0.7362 H   0  0  0  0  0  0  0  0  0  0  0  0
   -4.5650   -0.2954    1.5523 H   0  0  0  0  0  0  0  0  0  0  0  0
   -2.9313   -0.8368    2.0098 H   0  0  0  0  0  0  0  0  0  0  0  0
   -3.9577   -1.9135    1.0212 H   0  0  0  0  0  0  0  0  0  0  0  0
   -2.6512   -1.6204   -1.5128 H   0  0  0  0  0  0  0  0  0  0  0  0
   -4.3491   -1.7175   -0.9662 H   0  0  0  0  0  0  0  0  0  0  0  0
   -3.8035   -0.4027   -2.1307 H   0  0  0  0  0  0  0  0  0  0  0  0
  1  2  1  0
  2  3  1  0
  3  4  1  0
  4 21  2  0
 21 19  1  0
 19 20  1  0
 19 18  2  0
 18  6  1  0
  6  7  1  0
  7  8  1  0
  8  9  2  0
  9 10  1  0
 10 11  1  0
 10 12  2  0
 12 13  1  0
 12 14  1  0
 14 15  2  0
 15 16  1  0
 16 17  2  0
  6  5  2  0
 21 22  1  0
 22 23  1  0
 22 24  1  0
 22  2  1  0
  5  4  1  0
 16 18  1  0
 15  8  1  0
  1 25  1  0
  1 26  1  0
  1 27  1  0
  2 28  1  1
 20 34  1  0
  9 30  1  0
 11 31  1  0
 13 32  1  0
 14 33  1  0
  5 29  1  0
 23 35  1  0
 23 36  1  0
 23 37  1  0
 24 38  1  0
 24 39  1  0
 24 40  1  0
M  END


  Mrv1652309032212162D          

 24 27  0  0  0  0            999 V2000
    1.2577   -3.1729    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    2.0827   -3.1729    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    2.5677   -2.5055    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    3.3523   -2.7604    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    4.0668   -2.3479    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    4.7812   -2.7604    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    5.4957   -2.3479    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    6.2102   -2.7604    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    6.9246   -2.3479    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    7.6391   -2.7604    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    8.3536   -2.3479    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    7.6391   -3.5854    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    8.3536   -3.9979    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    6.9246   -3.9979    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    6.2102   -3.5854    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    5.4957   -3.9979    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    5.4957   -4.8229    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    4.7812   -3.5854    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    4.0668   -3.9979    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    4.0668   -4.8229    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    3.3523   -3.5854    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    2.5677   -3.8404    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    2.7307   -4.6491    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    1.9604   -4.3988    0.0000 C   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  1  0  0  0  0
  5  6  2  0  0  0  0
  6  7  1  0  0  0  0
  7  8  1  0  0  0  0
  8  9  2  0  0  0  0
  9 10  1  0  0  0  0
 10 11  1  0  0  0  0
 10 12  2  0  0  0  0
 12 13  1  0  0  0  0
 12 14  1  0  0  0  0
 14 15  2  0  0  0  0
  8 15  1  0  0  0  0
 15 16  1  0  0  0  0
 16 17  2  0  0  0  0
 16 18  1  0  0  0  0
  6 18  1  0  0  0  0
 18 19  2  0  0  0  0
 19 20  1  0  0  0  0
 19 21  1  0  0  0  0
  4 21  2  0  0  0  0
 21 22  1  0  0  0  0
  2 22  1  0  0  0  0
 22 23  1  0  0  0  0
 22 24  1  0  0  0  0
M  END
> <DATABASE_ID>
NP0173187

> <DATABASE_NAME>
NP-MRD

> <SMILES>
CC1OC2=C(C(O)=C3C(OC4=CC(O)=C(O)C=C4C3=O)=C2)C1(C)C

> <INCHI_IDENTIFIER>
InChI=1S/C18H16O6/c1-7-18(2,3)15-13(23-7)6-12-14(17(15)22)16(21)8-4-9(19)10(20)5-11(8)24-12/h4-7,19-20,22H,1-3H3

> <INCHI_KEY>
IFCULYNDSJXCHZ-UHFFFAOYSA-N

> <FORMULA>
C18H16O6

> <MOLECULAR_WEIGHT>
328.32

> <EXACT_MASS>
328.094688235

> <JCHEM_ACCEPTOR_COUNT>
5

> <JCHEM_ATOM_COUNT>
40

> <JCHEM_AVERAGE_POLARIZABILITY>
33.8874798961137

> <JCHEM_BIOAVAILABILITY>
1

> <JCHEM_DONOR_COUNT>
3

> <JCHEM_FORMAL_CHARGE>
0

> <JCHEM_GHOSE_FILTER>
1

> <JCHEM_IUPAC>
4,7,8-trihydroxy-2,3,3-trimethyl-2H,3H,5H-furo[3,2-b]xanthen-5-one

> <ALOGPS_LOGP>
3.74

> <JCHEM_LOGP>
3.7407101969999994

> <ALOGPS_LOGS>
-3.70

> <JCHEM_MDDR_LIKE_RULE>
0

> <JCHEM_NUMBER_OF_RINGS>
4

> <JCHEM_PHYSIOLOGICAL_CHARGE>
0

> <JCHEM_PKA>
8.923187510993905

> <JCHEM_PKA_STRONGEST_ACIDIC>
7.525400267105986

> <JCHEM_PKA_STRONGEST_BASIC>
-3.7325579147790164

> <JCHEM_POLAR_SURFACE_AREA>
96.22000000000001

> <JCHEM_REFRACTIVITY>
85.8203

> <JCHEM_ROTATABLE_BOND_COUNT>
0

> <JCHEM_RULE_OF_FIVE>
1

> <ALOGPS_SOLUBILITY>
6.63e-02 g/l

> <JCHEM_TRADITIONAL_IUPAC>
4,7,8-trihydroxy-2,3,3-trimethyl-2H-furo[3,2-b]xanthen-5-one

> <JCHEM_VEBER_RULE>
0

$$$$

HEADER    PROTEIN                                 03-SEP-22   NONE
TITLE     NULL                                                        
COMPND    NULL                                                        
SOURCE    NULL                                                        
KEYWDS    NULL                                                        
EXPDTA    NULL                                                        
AUTHOR    Marvin                                                      
REVDAT   1   03-SEP-22         0                                  
HETATM    1  C   UNK     0       2.348  -5.923   0.000  0.00  0.00           C+0
HETATM    2  C   UNK     0       3.888  -5.923   0.000  0.00  0.00           C+0
HETATM    3  O   UNK     0       4.793  -4.677   0.000  0.00  0.00           O+0
HETATM    4  C   UNK     0       6.258  -5.153   0.000  0.00  0.00           C+0
HETATM    5  C   UNK     0       7.591  -4.383   0.000  0.00  0.00           C+0
HETATM    6  C   UNK     0       8.925  -5.153   0.000  0.00  0.00           C+0
HETATM    7  O   UNK     0      10.259  -4.383   0.000  0.00  0.00           O+0
HETATM    8  C   UNK     0      11.592  -5.153   0.000  0.00  0.00           C+0
HETATM    9  C   UNK     0      12.926  -4.383   0.000  0.00  0.00           C+0
HETATM   10  C   UNK     0      14.260  -5.153   0.000  0.00  0.00           C+0
HETATM   11  O   UNK     0      15.593  -4.383   0.000  0.00  0.00           O+0
HETATM   12  C   UNK     0      14.260  -6.693   0.000  0.00  0.00           C+0
HETATM   13  O   UNK     0      15.593  -7.463   0.000  0.00  0.00           O+0
HETATM   14  C   UNK     0      12.926  -7.463   0.000  0.00  0.00           C+0
HETATM   15  C   UNK     0      11.592  -6.693   0.000  0.00  0.00           C+0
HETATM   16  C   UNK     0      10.259  -7.463   0.000  0.00  0.00           C+0
HETATM   17  O   UNK     0      10.259  -9.003   0.000  0.00  0.00           O+0
HETATM   18  C   UNK     0       8.925  -6.693   0.000  0.00  0.00           C+0
HETATM   19  C   UNK     0       7.591  -7.463   0.000  0.00  0.00           C+0
HETATM   20  O   UNK     0       7.591  -9.003   0.000  0.00  0.00           O+0
HETATM   21  C   UNK     0       6.258  -6.693   0.000  0.00  0.00           C+0
HETATM   22  C   UNK     0       4.793  -7.169   0.000  0.00  0.00           C+0
HETATM   23  C   UNK     0       5.097  -8.678   0.000  0.00  0.00           C+0
HETATM   24  C   UNK     0       3.659  -8.211   0.000  0.00  0.00           C+0
CONECT    1    2                                                            
CONECT    2    1    3   22                                                  
CONECT    3    2    4                                                       
CONECT    4    3    5   21                                                  
CONECT    5    4    6                                                       
CONECT    6    5    7   18                                                  
CONECT    7    6    8                                                       
CONECT    8    7    9   15                                                  
CONECT    9    8   10                                                       
CONECT   10    9   11   12                                                  
CONECT   11   10                                                            
CONECT   12   10   13   14                                                  
CONECT   13   12                                                            
CONECT   14   12   15                                                       
CONECT   15   14    8   16                                                  
CONECT   16   15   17   18                                                  
CONECT   17   16                                                            
CONECT   18   16    6   19                                                  
CONECT   19   18   20   21                                                  
CONECT   20   19                                                            
CONECT   21   19    4   22                                                  
CONECT   22   21    2   23   24                                             
CONECT   23   22                                                            
CONECT   24   22                                                            
MASTER        0    0    0    0    0    0    0    0   24    0   54    0
END

View in JSmol

Synonyms

Not Available

Chemical Formula

C₁₈H₁₆O₆

Average Mass

328.3200 Da

Monoisotopic Mass

328.09469 Da

IUPAC Name

4,7,8-trihydroxy-2,3,3-trimethyl-2H,3H,5H-furo[3,2-b]xanthen-5-one

Traditional Name

4,7,8-trihydroxy-2,3,3-trimethyl-2H-furo[3,2-b]xanthen-5-one

CAS Registry Number

Not Available

SMILES

CC1OC2=C(C(O)=C3C(OC4=CC(O)=C(O)C=C4C3=O)=C2)C1(C)C

InChI Identifier

InChI=1S/C18H16O6/c1-7-18(2,3)15-13(23-7)6-12-14(17(15)22)16(21)8-4-9(19)10(20)5-11(8)24-12/h4-7,19-20,22H,1-3H3

InChI Key

IFCULYNDSJXCHZ-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

Not Available

Chemical Taxonomy

Description

Belongs to the class of organic compounds known as xanthones. These are polycyclic aromatic compounds containing a xanthene moiety conjugated to a ketone group at carbon 9. Xanthene is a tricyclic compound made up of two benzene rings linearly fused to each other through a pyran ring.

Kingdom

Organic compounds

Super Class

Organoheterocyclic compounds

Class

Benzopyrans

Sub Class

1-benzopyrans

Direct Parent

Xanthones

Alternative Parents

Substituents

Xanthone
Furanochromone
Chromone
Coumaran
1-hydroxy-4-unsubstituted benzenoid
1-hydroxy-2-unsubstituted benzenoid
Alkyl aryl ether
Pyranone
Pyran
Benzenoid
Heteroaromatic compound
Vinylogous acid
Oxacycle
Polyol
Ether
Organic oxygen compound
Organooxygen compound
Hydrocarbon derivative
Organic oxide
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	3.74	ALOGPS
logP	3.74	ChemAxon
logS	-3.7	ALOGPS
pKa (Strongest Acidic)	7.53	ChemAxon
pKa (Strongest Basic)	-3.7	ChemAxon
Physiological Charge	0	ChemAxon
Hydrogen Acceptor Count	5	ChemAxon
Hydrogen Donor Count	3	ChemAxon
Polar Surface Area	96.22 Å²	ChemAxon
Rotatable Bond Count	0	ChemAxon
Refractivity	85.82 m³·mol⁻¹	ChemAxon
Polarizability	33.89 Å³	ChemAxon
Number of Rings	4	ChemAxon
Bioavailability	Yes	ChemAxon
Rule of Five	Yes	ChemAxon
Ghose Filter	Yes	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

163192794

PDB ID

Not Available

ChEBI ID

Not Available

Good Scents ID

Not Available

References

General References

LOTUS database [Link]

Showing NP-Card for 4,7,8-trihydroxy-2,3,3-trimethyl-2h-furo[3,2-b]xanthen-5-one (NP0173187)

MOL for NP0173187 (4,7,8-trihydroxy-2,3,3-trimethyl-2h-furo[3,2-b]xanthen-5-one)

3D MOL for NP0173187 (4,7,8-trihydroxy-2,3,3-trimethyl-2h-furo[3,2-b]xanthen-5-one)

3D SDF for NP0173187 (4,7,8-trihydroxy-2,3,3-trimethyl-2h-furo[3,2-b]xanthen-5-one)

3D-SDF for NP0173187 (4,7,8-trihydroxy-2,3,3-trimethyl-2h-furo[3,2-b]xanthen-5-one)

PDB for NP0173187 (4,7,8-trihydroxy-2,3,3-trimethyl-2h-furo[3,2-b]xanthen-5-one)

3D PDB for NP0173187 (4,7,8-trihydroxy-2,3,3-trimethyl-2h-furo[3,2-b]xanthen-5-one)

SMILES for NP0173187 (4,7,8-trihydroxy-2,3,3-trimethyl-2h-furo[3,2-b]xanthen-5-one)

INCHI for NP0173187 (4,7,8-trihydroxy-2,3,3-trimethyl-2h-furo[3,2-b]xanthen-5-one)

Structure for NP0173187 (4,7,8-trihydroxy-2,3,3-trimethyl-2h-furo[3,2-b]xanthen-5-one)

3D Structure for NP0173187 (4,7,8-trihydroxy-2,3,3-trimethyl-2h-furo[3,2-b]xanthen-5-one)