Chemical Name : Pregn-​4-​ene-​3,​20-​dione, 17-​[(1-​oxopentyl)​oxy]​- (9CI); Pregn-4-ene-3,20-dione, 17-hydroxy-, valerate (7CI); Progesterone, 17-hydroxy-, valerate (6CI)

Smiles : CC([C@@]1(OC(CCCC)=O)CC[C@@]2([H])[C@]3([H])CCC4=CC(CC[C@]4(C)[C@@]3([H])CC[C@]12C)=O)=O