Try searching for...
SCFBio, IIT Delhi
Formula: C17H14O6 | Mol. Weight: 314.29 g/mol
IUPAC: 1,3-dihydroxy-5,6-dimethoxy-2-methylanthracene-9,10-dione
CC1=C(C=C2C(=C1O)C(=O)C3=C(C2=O)C(=C(C=C3)OC)OC)O