Try searching for...
SCFBio, IIT Delhi
Formula: C26H32O7 | Mol. Weight: 456.50 g/mol
IUPAC: 9-hydroxy-5,10-dimethoxy-11-(3-methoxy-3-methylbutyl)-2,2-dimethyl-3,4-dihydropyrano[2,3-a]xanthen-12-one
CC1(CCC2=C(C=C3C(=C2O1)C(=O)C4=C(O3)C=C(C(=C4CCC(C)(C)OC)OC)O)OC)C