Try searching for...
SCFBio, IIT Delhi
Formula: C17H10O7 | Mol. Weight: 326.26 g/mol
IUPAC: 3,9,11-trihydroxy-10-methylchromeno[3,4-b]chromene-6,12-dione
CC1=C(C2=C(C=C1O)OC3=C(C2=O)C4=C(C=C(C=C4)O)OC3=O)O