132054-05-8 2-(2-(1-Phenyl-4-piperazynyl)ethyl)-1,2,3,4-tetrahydro-beta-carboline-1-spiro-4'-N'-benzylpiperidine Spiro(piperidine-4,1'-(1H)pyrido(3,4-b)indole), 2',3',4',9'-tetrahydro-1-(phenylmethyl)-2'-(2-(4-phenyl-1-piperazinyl)ethyl)-