2,6-Piperidinedione, 4,4-dimethyl-1-(4-(4-(2-pyrimidinyl)-1-piperazinyl)butyl)-, monohydrochloride 3,3-Dimethyl-1-(4-(4-(2-pyrimidinyl)-1-piperazinyl)butyl)glutarimide monohydrochloride 83928-66-9 83928-76-1 BMY 138951 GEPIRONE HYDROCHLORIDE Gepirone Gepirone hydrochloride [USAN]