Wikipedia:  

Flavone

Flavone; 2-Phenylbenzopyran-4-one; 2-Phenyl-4H-chromen-4-one; 4H-1-Benzopyran-4-one, 2-phenyl-; 4H-1-benzopyran-4-one, 2-phenyl-; 2-Phenylchromone; 2-Phenyl-4H-benzopyran-4-one; 2-Phenyl-4-chromone; 2-Phenyl-4-benzopyron; 2-phenyl-4H-chromen-4-one; 2-Phenyl-4H-1-benzopyran-4-one
Molecular Formula
C15 H10 O2
Natural Isotopic Abundance Mass
222.2387
Mono-Isotopic Molecular Masses
C12N14:   222.0680795652
C13N14:   237.1184021322
C12N15:   222.0680795652
C13N15:   237.1184021322
Flavone image
Flavone
InCHi String:
InChI=1S/C15H10O2/c16-13-10-15(11-6-2-1-3-7-11)17-14-9-5-4-8-12(13)14/h1-10H

canonical and isomeric SMILES:
C1=CC=C(C=C1)C2=CC(=O)C3=CC=CC=C3O2


PUBCHEM iupac NAME: PUBCHEM iupac OPENEYE NAME: PUBCHEM iupac SYSTEMATIC NAME
2-phenylchromen-4-one

PUBCHEM iupac TRADITIONAL NAME
flavone

PUBCHEM iupac CAS NAME
2-phenyl-1-benzopyran-4-one



PubChem Substance (SID):   144080946   894248   24894806
PubChem Compound (CID):   10680
KEGG: Compound ID   C10043
CAS Registry IDs:   525-82-6
PDB Chemical Component   n/a
Miscellaneous Databases and IDs:   CAS 525-82-6   MMCD cq_06712   MDL number MFCD00006825   Sigma-Aldrich F2003_SIAL   811 HMDB03075   ZINC ZINC00057674   NMRShiftDB 10016211   ChemDB 3969680   NIST Chemistry WebBook 2305128417

Reference data were obtained primarily from the PubChem database.

Three dimensional molecular rendering uses Jmol.