Try searching for...
SCFBio, IIT Delhi
Formula: C17H16O5 | Mol. Weight: 300.30 g/mol
IUPAC: 3-(4-hydroxy-2,5-dimethoxyphenyl)-2H-chromen-7-ol
COC1=CC(=C(C=C1C2=CC3=C(C=C(C=C3)O)OC2)OC)O