Try searching for...
SCFBio, IIT Delhi
Formula: C22H14O6 | Mol. Weight: 374.30 g/mol
IUPAC: 5-hydroxy-6-(1-hydroxy-6-methyl-5,8-dioxonaphthalen-2-yl)-2-methylnaphthalene-1,4-dione
CC1=CC(=O)C2=C(C1=O)C=CC(=C2O)C3=C(C4=C(C=C3)C(=O)C(=CC4=O)C)O