Try searching for...
SCFBio, IIT Delhi
Formula: C33H40O6 | Mol. Weight: 532.70 g/mol
IUPAC: 1-[(2Z)-3,7-dimethylocta-2,6-dienyl]-1-[(2E)-3,7-dimethylocta-2,6-dienyl]-3,6,8-trihydroxyxanthene-2,9-dione
CC(=CCCC(=CCC1(C2=C(C=C(C1=O)O)OC3=CC(=CC(=C3C2=O)O)O)CC=C(C)CCC=C(C)C)C)C