Try searching for...
SCFBio, IIT Delhi
Formula: C15H12O5 | Mol. Weight: 272.25 g/mol
IUPAC: 4,5,10-trihydroxy-3-methyl-3,4-dihydroanthracene-2,9-dione
CC1C(C2=C(C3=C(C=CC=C3O)C(=O)C2=CC1=O)O)O