1,10-Trimethylene-pyrazino-indole hydrochloride 16154-77-1 1H-Pyrazino(3,2,1-jk)carbazole, 2,3,3a,4,5,6-hexahydro-, monohydrochloride 2,3,3a,4,5,6-Hexahydro-1H-pyrazino(3,2,1-jk)carbazole hydrochloride Piperazino(1,2-a)indole, 1,10-trimethylene-, hydrochloride