CAS: 65-19-0 Molecular Formula: C21H27ClN2O3 Molecular Weight (g/mol): 390.91 MDL Number: MFCD00012674 InChI Key: PIPZGJSEDRMUAW-VJDCAHTMSA-N Synonym: yohimbine hydrochloride,antagonil,yohimbe,yohimbine hcl,aphrodine hydrochloride,yohimbine monohydrochloride,unii-nb2e1yp49f,yohimbin hydrochloride usp,nb2e1yp49f PubChem CID: 6169 IUPAC Name: methyl (1S,15R,18S,19R,20S)-18-hydroxy-1,3,11,12,14,15,16,17,18,19,20,21-dodecahydroyohimban-19-carboxylate;hydrochloride SMILES: [H+].[Cl-].COC(=O)[C@H]1[C@@H](O)CC[C@H]2CN3CCC4=C(NC5=CC=CC=C45)[C@@H]3C[C@H]12