Try searching for...
SCFBio, IIT Delhi
Formula: C18H14O6 | Mol. Weight: 326.30 g/mol
IUPAC: 9-methoxy-7-(4-methoxyphenyl)-[1,3]dioxolo[4,5-g]chromen-8-one
COC1=CC=C(C=C1)C2=COC3=CC4=C(C(=C3C2=O)OC)OCO4