2H-Pyrido(3,2-b)-1,4-oxazin-3(4H)-one, 4-(1-phenyl-2-(1-pyrrolidinyl)ethyl)-, dihydrochloride 4-(1-Phenyl-2-(1-pyrrolidinyl)ethyl)-2H-pyrido(3,2-b)-1,4-oxazin-3(4H)-one dihydrochloride 88809-63-6