Try searching for...
SCFBio, IIT Delhi
Formula: C15H10O5 | Mol. Weight: 270.24 g/mol
IUPAC: 1,4,8-trihydroxy-2-methylanthracene-9,10-dione
CC1=CC(=C2C(=C1O)C(=O)C3=C(C2=O)C=CC=C3O)O