NP-MRD: Showing NP-Card for [(2e)-3-hydroxy-5-oxo-4-phenylfuran-2-ylidene](phenyl)acetic acid (NP0290804)

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Record Information

Version

2.0

Created at

2022-09-09 21:39:04 UTC

Updated at

2022-09-09 21:39:05 UTC

NP-MRD ID

NP0290804

Secondary Accession Numbers

None

Natural Product Identification

Common Name

[(2e)-3-hydroxy-5-oxo-4-phenylfuran-2-ylidene](phenyl)acetic acid

Description

Pulvinic acid, also known as pulvinate, belongs to the class of organic compounds known as butenolides. These are dihydrofurans with a carbonyl group at the C2 carbon atom. [(2e)-3-hydroxy-5-oxo-4-phenylfuran-2-ylidene](phenyl)acetic acid is found in Candelaria concolor and Letharia vulpina. [(2e)-3-hydroxy-5-oxo-4-phenylfuran-2-ylidene](phenyl)acetic acid was first documented in 2019 (PMID: 31878002). Based on a literature review a small amount of articles have been published on Pulvinic acid (PMID: 34081381) (PMID: 31935813) (PMID: 31933105) (PMID: 30813728).

Structure

MOL 3D MOL SDF PDB SMILES InChI

     RDKit          3D

 35 37  0  0  0  0  0  0  0  0999 V2000
    1.3431    0.4471    2.7233 O   0  0  0  0  0  0  0  0  0  0  0  0
    0.8373    0.2625    1.5813 C   0  0  0  0  0  0  0  0  0  0  0  0
   -0.4734    0.2177    1.1733 O   0  0  0  0  0  0  0  0  0  0  0  0
   -0.5203   -0.0207   -0.2178 C   0  0  0  0  0  0  0  0  0  0  0  0
   -1.6671   -0.1128   -0.8738 C   0  0  0  0  0  0  0  0  0  0  0  0
   -1.6764   -0.3549   -2.2906 C   0  0  0  0  0  0  0  0  0  0  0  0
   -0.7284   -0.4925   -3.0710 O   0  0  0  0  0  0  0  0  0  0  0  0
   -2.9843   -0.4454   -2.8689 O   0  0  0  0  0  0  0  0  0  0  0  0
   -2.9385    0.0293   -0.1111 C   0  0  0  0  0  0  0  0  0  0  0  0
   -3.9858    0.7539   -0.6356 C   0  0  0  0  0  0  0  0  0  0  0  0
   -5.1932    0.9094    0.0429 C   0  0  0  0  0  0  0  0  0  0  0  0
   -5.3433    0.3192    1.2796 C   0  0  0  0  0  0  0  0  0  0  0  0
   -4.2951   -0.4148    1.8215 C   0  0  0  0  0  0  0  0  0  0  0  0
   -3.1143   -0.5455    1.1166 C   0  0  0  0  0  0  0  0  0  0  0  0
    0.8466   -0.1261   -0.6843 C   0  0  0  0  0  0  0  0  0  0  0  0
    1.2827   -0.3545   -1.9743 O   0  0  0  0  0  0  0  0  0  0  0  0
    1.6527    0.0420    0.3843 C   0  0  0  0  0  0  0  0  0  0  0  0
    3.0929    0.0003    0.3054 C   0  0  0  0  0  0  0  0  0  0  0  0
    3.6879   -0.8881   -0.5583 C   0  0  0  0  0  0  0  0  0  0  0  0
    5.0752   -0.9137   -0.6229 C   0  0  0  0  0  0  0  0  0  0  0  0
    5.8444   -0.0771    0.1516 C   0  0  0  0  0  0  0  0  0  0  0  0
    5.2545    0.8155    1.0194 C   0  0  0  0  0  0  0  0  0  0  0  0
    3.8707    0.8345    1.0781 C   0  0  0  0  0  0  0  0  0  0  0  0
   -3.6072   -1.1332   -2.4161 H   0  0  0  0  0  0  0  0  0  0  0  0
   -3.9088    1.2263   -1.5883 H   0  0  0  0  0  0  0  0  0  0  0  0
   -6.0304    1.4699   -0.3388 H   0  0  0  0  0  0  0  0  0  0  0  0
   -6.2769    0.4317    1.8164 H   0  0  0  0  0  0  0  0  0  0  0  0
   -4.4397   -0.8636    2.7880 H   0  0  0  0  0  0  0  0  0  0  0  0
   -2.3176   -1.1207    1.5549 H   0  0  0  0  0  0  0  0  0  0  0  0
    1.8770    0.3499   -2.3933 H   0  0  0  0  0  0  0  0  0  0  0  0
    3.1157   -1.5767   -1.1985 H   0  0  0  0  0  0  0  0  0  0  0  0
    5.5520   -1.6099   -1.3015 H   0  0  0  0  0  0  0  0  0  0  0  0
    6.9235   -0.0886    0.1098 H   0  0  0  0  0  0  0  0  0  0  0  0
    5.8288    1.4890    1.6458 H   0  0  0  0  0  0  0  0  0  0  0  0
    3.4159    1.5410    1.7663 H   0  0  0  0  0  0  0  0  0  0  0  0
  8  6  1  0
  6  7  2  0
  6  5  1  0
  5  4  2  0
  4  3  1  0
  3  2  1  0
  2  1  2  0
  2 17  1  0
 17 15  2  0
 15 16  1  0
 17 18  1  0
 18 19  2  0
 19 20  1  0
 20 21  2  0
 21 22  1  0
 22 23  2  0
  5  9  1  0
  9 10  2  0
 10 11  1  0
 11 12  2  0
 12 13  1  0
 13 14  2  0
 15  4  1  0
 23 18  1  0
 14  9  1  0
  8 24  1  0
 16 30  1  0
 19 31  1  0
 20 32  1  0
 21 33  1  0
 22 34  1  0
 23 35  1  0
 10 25  1  0
 11 26  1  0
 12 27  1  0
 13 28  1  0
 14 29  1  0
M  END


  Mrv1652309092223392D          

 23 25  0  0  0  0            999 V2000
    0.7145   -0.4125    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    0.7145   -1.2375    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    1.3819   -1.7224    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    1.1270   -2.5070    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    1.6119   -3.1745    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    1.2763   -3.9282    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    1.7613   -4.5956    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    0.4559   -4.0144    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    2.4324   -3.0882    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    2.7679   -2.3346    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    3.5884   -2.2483    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    4.0733   -2.9158    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    3.7378   -3.6695    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    2.9173   -3.7557    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    0.3020   -2.5070    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   -0.1830   -3.1745    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    0.0470   -1.7224    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   -0.7376   -1.4675    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   -1.3507   -2.0195    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   -2.1353   -1.7646    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   -2.3068   -0.9576    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   -1.6937   -0.4056    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   -0.9091   -0.6605    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
  1  2  2  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
  6  8  1  0  0  0  0
  5  9  1  0  0  0  0
  9 10  2  0  0  0  0
 10 11  1  0  0  0  0
 11 12  2  0  0  0  0
 12 13  1  0  0  0  0
 13 14  2  0  0  0  0
  9 14  1  0  0  0  0
  4 15  1  0  0  0  0
 15 16  1  0  0  0  0
 15 17  2  0  0  0  0
  2 17  1  0  0  0  0
 17 18  1  0  0  0  0
 18 19  2  0  0  0  0
 19 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
 18 23  1  0  0  0  0
M  END
> <DATABASE_ID>
NP0290804

> <DATABASE_NAME>
NP-MRD

> <SMILES>
OC(=O)C(=C1\OC(=O)C(=C1O)C1=CC=CC=C1)\C1=CC=CC=C1

> <INCHI_IDENTIFIER>
InChI=1S/C18H12O5/c19-15-13(11-7-3-1-4-8-11)18(22)23-16(15)14(17(20)21)12-9-5-2-6-10-12/h1-10,19H,(H,20,21)/b16-14+

> <INCHI_KEY>
CMFBGFRHPQTELQ-JQIJEIRASA-N

> <FORMULA>
C18H12O5

> <MOLECULAR_WEIGHT>
308.289

> <EXACT_MASS>
308.068473486

> <JCHEM_ACCEPTOR_COUNT>
4

> <JCHEM_ATOM_COUNT>
35

> <JCHEM_AVERAGE_POLARIZABILITY>
31.089240029822086

> <JCHEM_BIOAVAILABILITY>
1

> <JCHEM_DONOR_COUNT>
2

> <JCHEM_FORMAL_CHARGE>
0

> <JCHEM_GHOSE_FILTER>
1

> <JCHEM_IUPAC>
2-[(2E)-3-hydroxy-5-oxo-4-phenyl-2,5-dihydrofuran-2-ylidene]-2-phenylacetic acid

> <JCHEM_LOGP>
2.848288478333333

> <JCHEM_MDDR_LIKE_RULE>
0

> <JCHEM_NUMBER_OF_RINGS>
3

> <JCHEM_PHYSIOLOGICAL_CHARGE>
-2

> <JCHEM_PKA>
6.80781796384551

> <JCHEM_PKA_STRONGEST_ACIDIC>
3.046594710651211

> <JCHEM_PKA_STRONGEST_BASIC>
-6.723730508771177

> <JCHEM_POLAR_SURFACE_AREA>
83.83

> <JCHEM_REFRACTIVITY>
84.12219999999999

> <JCHEM_ROTATABLE_BOND_COUNT>
3

> <JCHEM_RULE_OF_FIVE>
1

> <JCHEM_TRADITIONAL_IUPAC>
[(2E)-3-hydroxy-5-oxo-4-phenylfuran-2-ylidene](phenyl)acetic acid

> <JCHEM_VEBER_RULE>
0

$$$$

HEADER    PROTEIN                                 09-SEP-22   NONE
TITLE     NULL                                                        
COMPND    NULL                                                        
SOURCE    NULL                                                        
KEYWDS    NULL                                                        
EXPDTA    NULL                                                        
AUTHOR    Marvin                                                      
REVDAT   1   09-SEP-22         0                                  
HETATM    1  O   UNK     0       1.334  -0.770   0.000  0.00  0.00           O+0
HETATM    2  C   UNK     0       1.334  -2.310   0.000  0.00  0.00           C+0
HETATM    3  O   UNK     0       2.580  -3.215   0.000  0.00  0.00           O+0
HETATM    4  C   UNK     0       2.104  -4.680   0.000  0.00  0.00           C+0
HETATM    5  C   UNK     0       3.009  -5.926   0.000  0.00  0.00           C+0
HETATM    6  C   UNK     0       2.382  -7.333   0.000  0.00  0.00           C+0
HETATM    7  O   UNK     0       3.288  -8.578   0.000  0.00  0.00           O+0
HETATM    8  O   UNK     0       0.851  -7.494   0.000  0.00  0.00           O+0
HETATM    9  C   UNK     0       4.540  -5.765   0.000  0.00  0.00           C+0
HETATM   10  C   UNK     0       5.167  -4.358   0.000  0.00  0.00           C+0
HETATM   11  C   UNK     0       6.698  -4.197   0.000  0.00  0.00           C+0
HETATM   12  C   UNK     0       7.604  -5.443   0.000  0.00  0.00           C+0
HETATM   13  C   UNK     0       6.977  -6.850   0.000  0.00  0.00           C+0
HETATM   14  C   UNK     0       5.446  -7.011   0.000  0.00  0.00           C+0
HETATM   15  C   UNK     0       0.564  -4.680   0.000  0.00  0.00           C+0
HETATM   16  O   UNK     0      -0.342  -5.926   0.000  0.00  0.00           O+0
HETATM   17  C   UNK     0       0.088  -3.215   0.000  0.00  0.00           C+0
HETATM   18  C   UNK     0      -1.377  -2.739   0.000  0.00  0.00           C+0
HETATM   19  C   UNK     0      -2.521  -3.770   0.000  0.00  0.00           C+0
HETATM   20  C   UNK     0      -3.986  -3.294   0.000  0.00  0.00           C+0
HETATM   21  C   UNK     0      -4.306  -1.788   0.000  0.00  0.00           C+0
HETATM   22  C   UNK     0      -3.162  -0.757   0.000  0.00  0.00           C+0
HETATM   23  C   UNK     0      -1.697  -1.233   0.000  0.00  0.00           C+0
CONECT    1    2                                                            
CONECT    2    1    3   17                                                  
CONECT    3    2    4                                                       
CONECT    4    3    5   15                                                  
CONECT    5    4    6    9                                                  
CONECT    6    5    7    8                                                  
CONECT    7    6                                                            
CONECT    8    6                                                            
CONECT    9    5   10   14                                                  
CONECT   10    9   11                                                       
CONECT   11   10   12                                                       
CONECT   12   11   13                                                       
CONECT   13   12   14                                                       
CONECT   14   13    9                                                       
CONECT   15    4   16   17                                                  
CONECT   16   15                                                            
CONECT   17   15    2   18                                                  
CONECT   18   17   19   23                                                  
CONECT   19   18   20                                                       
CONECT   20   19   21                                                       
CONECT   21   20   22                                                       
CONECT   22   21   23                                                       
CONECT   23   22   18                                                       
MASTER        0    0    0    0    0    0    0    0   23    0   50    0
END

View in JSmol

Synonyms

Value	Source
Pulvinate	Generator
(2E)-(5-Hydroxy-3-oxo-4-phenyl-2(3H)-furanylidene)(phenyl)acetic acid	MeSH

Chemical Formula

C₁₈H₁₂O₅

Average Mass

308.2890 Da

Monoisotopic Mass

308.06847 Da

IUPAC Name

2-[(2E)-3-hydroxy-5-oxo-4-phenyl-2,5-dihydrofuran-2-ylidene]-2-phenylacetic acid

Traditional Name

[(2E)-3-hydroxy-5-oxo-4-phenylfuran-2-ylidene](phenyl)acetic acid

CAS Registry Number

Not Available

SMILES

OC(=O)C(=C1\OC(=O)C(=C1O)C1=CC=CC=C1)\C1=CC=CC=C1

InChI Identifier

InChI=1S/C18H12O5/c19-15-13(11-7-3-1-4-8-11)18(22)23-16(15)14(17(20)21)12-9-5-2-6-10-12/h1-10,19H,(H,20,21)/b16-14+

InChI Key

CMFBGFRHPQTELQ-JQIJEIRASA-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
Candelaria concolor	LOTUS Database	35616633
Letharia vulpina	LOTUS Database	35616633

Chemical Taxonomy

Description

Belongs to the class of organic compounds known as butenolides. These are dihydrofurans with a carbonyl group at the C2 carbon atom.

Kingdom

Organic compounds

Super Class

Organoheterocyclic compounds

Class

Dihydrofurans

Sub Class

Furanones

Direct Parent

Butenolides

Alternative Parents

Substituents

Monocyclic benzene moiety
2-furanone
Dicarboxylic acid or derivatives
Benzenoid
Enol ester
Vinylogous acid
Alpha,beta-unsaturated carboxylic ester
Enoate ester
Carboxylic acid ester
Lactone
Enol
Oxacycle
Carboxylic acid
Carboxylic acid derivative
Hydrocarbon derivative
Carbonyl group
Organic oxide
Organic oxygen compound
Organooxygen compound
Aromatic heteromonocyclic compound

Molecular Framework

Aromatic heteromonocyclic 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	2.85	ChemAxon
pKa (Strongest Acidic)	3.05	ChemAxon
pKa (Strongest Basic)	-6.7	ChemAxon
Physiological Charge	-2	ChemAxon
Hydrogen Acceptor Count	4	ChemAxon
Hydrogen Donor Count	2	ChemAxon
Polar Surface Area	83.83 Å²	ChemAxon
Rotatable Bond Count	3	ChemAxon
Refractivity	84.12 m³·mol⁻¹	ChemAxon
Polarizability	31.09 Å³	ChemAxon
Number of Rings	3	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

20087036

KEGG Compound ID

Not Available

BioCyc ID

Not Available

BiGG ID

Not Available

Wikipedia Link

Pulvinic acid

METLIN ID

Not Available

PubChem Compound

54682513

PDB ID

Not Available

ChEBI ID

144209

Good Scents ID

Not Available

References

General References

Herkersdorf S, Kruger T, Wein P, Loffler S, Fontaine T, Gressler M, Hertweck C, Brakhage AA, Hoffmeister D: Bacterial cell wall-degrading enzymes induce basidiomycete natural product biosynthesis. Environ Microbiol. 2021 Aug;23(8):4360-4371. doi: 10.1111/1462-2920.15621. Epub 2021 Jun 10. [PubMed:34081381 ]
Gadea A, Fanuel M, Le Lamer AC, Boustie J, Rogniaux H, Charrier M, Lohezic-Le Devehat F: Mass Spectrometry Imaging of Specialized Metabolites for Predicting Lichen Fitness and Snail Foraging. Plants (Basel). 2020 Jan 6;9(1). pii: plants9010070. doi: 10.3390/plants9010070. [PubMed:31935813 ]
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LOTUS database [Link]

Showing NP-Card for [(2e)-3-hydroxy-5-oxo-4-phenylfuran-2-ylidene](phenyl)acetic acid (NP0290804)

MOL for NP0290804 ([(2e)-3-hydroxy-5-oxo-4-phenylfuran-2-ylidene](phenyl)acetic acid)

3D MOL for NP0290804 ([(2e)-3-hydroxy-5-oxo-4-phenylfuran-2-ylidene](phenyl)acetic acid)

3D SDF for NP0290804 ([(2e)-3-hydroxy-5-oxo-4-phenylfuran-2-ylidene](phenyl)acetic acid)

3D-SDF for NP0290804 ([(2e)-3-hydroxy-5-oxo-4-phenylfuran-2-ylidene](phenyl)acetic acid)

PDB for NP0290804 ([(2e)-3-hydroxy-5-oxo-4-phenylfuran-2-ylidene](phenyl)acetic acid)

3D PDB for NP0290804 ([(2e)-3-hydroxy-5-oxo-4-phenylfuran-2-ylidene](phenyl)acetic acid)

SMILES for NP0290804 ([(2e)-3-hydroxy-5-oxo-4-phenylfuran-2-ylidene](phenyl)acetic acid)

INCHI for NP0290804 ([(2e)-3-hydroxy-5-oxo-4-phenylfuran-2-ylidene](phenyl)acetic acid)

Structure for NP0290804 ([(2e)-3-hydroxy-5-oxo-4-phenylfuran-2-ylidene](phenyl)acetic acid)

3D Structure for NP0290804 ([(2e)-3-hydroxy-5-oxo-4-phenylfuran-2-ylidene](phenyl)acetic acid)