Formula: C33H32O7 | Mol. Weight: 540.60 g/mol
IUPAC: (2S,7aR,11aR,12R)-5,7a-dihydroxy-6,8,8,10,10-pentamethyl-2,12-diphenyl-2,3,11a,12-tetrahydropyrano[2,3-a]xanthene-4,9,11-trione
CC1=C(C2=C(C3=C1OC4(C(C3C5=CC=CC=C5)C(=O)C(C(=O)C4(C)C)(C)C)O)OC(CC2=O)C6=CC=CC=C6)O