148408-65-5 CP 93,393-1 N-(((7S,9aS)-Octahydro-2-(2-pyrimidinyl)-2H-pyrido(1,2-a)pyrazin-7-yl)methyl)succinimide monohydrochloride Sunepitron Hydrochloride Sunepitron Hydrochloride [USAN]