Try searching for...
SCFBio, IIT Delhi
Formula: C20H28O4 | Mol. Weight: 332.40 g/mol
IUPAC: (4aR,6S,10aS,11R,11aS,11bR)-6,11-dihydroxy-4,4,8,11b-tetramethyl-2,3,4a,5,6,10a,11,11a-octahydro-1H-naphtho[2,1-f][1]benzofuran-9-one
CC1=C2C=C3C(CC4C(CCCC4(C3C(C2OC1=O)O)C)(C)C)O