Chemical Name : (8R,9S,10R,13S,14S)-10,13-dimethyl-7,8,9,11,12,13,15,16-octahydrospiro[cyclopenta[a]phenanthrene-6,2'-oxirane]-3,17(10H,14H)-dione;

Smiles : O=C1CC[C@@]2([H])[C@]3([H])CC4(OC4)C5=CC(C=C[C@]5(C)[C@@]3([H])CC[C@@]21C)=O