Try searching for...
SCFBio, IIT Delhi
Formula: C23H30O3 | Mol. Weight: 354.50 g/mol
IUPAC: (8R,9S,10R,13S,14S,17Z)-10,13-dimethyl-17-(3-oxobutan-2-ylidene)-1,2,6,7,8,9,11,12,14,15-decahydrocyclopenta[a]phenanthrene-3,16-dione
CC(=C1C(=O)CC2C1(CCC3C2CCC4=CC(=O)CCC34C)C)C(=O)C