CAS: 6202-23-9 Molecular Formula: C20 H21 N . Cl H Molecular Weight (g/mol): 311.85 Synonym: Cyclobenzaprine Hydrochloride,3-(5H-Dibenzo[a,d][7]annulen-5-ylidene)-N,N-dimethylpropan-1-amine Hydrochloride,Nortriptyline Hydrochloride Imp. E (EP) as Hydrochloride,Amitriptyline Hydrochloride Imp. B (EP) as Hydrochloride,1-Propanamine, 3-(5H-dibenzo[a,d]cyclohepten-5-ylidene)-N,N-dimethyl-, hydrochloride (1:1),1-Propanamine, 3-(5H-dibenzo[a,d]cyclohepten-5-ylidene)-N,N-dimethyl-, hydrochloride (9CI),5H-Dibenzo[a,d]cycloheptene-δ5,γ-propylamine, N,N-dimethyl-, hydrochloride (6CI,7CI,8CI),10,11δ-Amitriptyline hydrochloride,Benzamin,Flexeril,Flexiban,Lisseril,MK 130 hydrochloride,Miosan,Multi-Relax,Proheptatriene hydrochloride,Tensodox,Yurelax IUPAC Name: 3-(dibenzo[2,1-b:1',2'-e][7]annulen-11-ylidene)-N,N-dimethylpropan-1-amine;hydrochloride SMILES: Cl.CN(C)CCC=C1c2ccccc2C=Cc3ccccc13