Try searching for...
SCFBio, IIT Delhi
Formula: C20H28O4 | Mol. Weight: 332.40 g/mol
IUPAC: methyl (2S,4aS,4bR,8aS,10aS)-6-hydroxy-2,4a,8a-trimethyl-8-methylidene-7-oxo-3,4,4b,9,10,10a-hexahydro-1H-phenanthrene-2-carboxylate
CC1(CCC2(C(C1)CCC3(C2C=C(C(=O)C3=C)O)C)C)C(=O)OC