Try searching for...
SCFBio, IIT Delhi
Formula: C23H24O6 | Mol. Weight: 396.40 g/mol
IUPAC: 1,3,5-trihydroxy-6-(3-methylbut-2-enoxy)-2-(2-methylbut-3-en-2-yl)xanthen-9-one
CC(=CCOC1=C(C2=C(C=C1)C(=O)C3=C(O2)C=C(C(=C3O)C(C)(C)C=C)O)O)C