Try searching for...
SCFBio, IIT Delhi
Formula: C18H14O7 | Mol. Weight: 342.30 g/mol
IUPAC: (6S)-3,6,11-trihydroxy-9-methoxy-10-methyl-6H-chromeno[3,4-b]chromen-12-one
CC1=C(C=C2C(=C1O)C(=O)C3=C(O2)C(OC4=C3C=CC(=C4)O)O)OC