Chemical Name : 1-[3α,17β-acetoxy-2β-(pyrrolidin-1-yl)-5α-androstan-16β-yl]-1-(prop-2-enyl)pyrrolidinium bromide (as per EP) ; 1-[3α,17β-Bis(acetyloxy)-2β-(pyrrolidin-1-yl)-5α-androstan-16β-yl]-1-(prop-2-enyl)pyrrolidinium (as per USP)

Smiles : C=CC[N+]1([C@H]2C[C@@]3([H])[C@]4([H])CC[C@@]5([H])C[C@H](OC(C)=O)[C@@H](N6CCCC6)C[C@]5(C)[C@@]4([H])CC[C@]3(C)[C@H]2OC(C)=O)CCCC1.[Br-]