Proheptatrien; Proheptatriene; 10,11-Dehydroamitriptyline; 3-(5H-Dibenzo[a,d]cyclohepten-5-ylidene)-N,N-dimethyl-1-propanamine; 1-Propanamine, 3-(5H-dibenzo[a,d]cyclohepten-5-ylidene)-N,N-dimethyl-; Cyclobenzaprine (USP)