2H-Pyrido(3,2-b)-1,4-oxazin-3(4H)-one, 4-(2-hydroxy-3-(1-piperidinyl)propyl)- 4-(2-Hydroxy-3-(1-piperidinyl)propyl)-2H-pyrido(3,2-b)-1,4-oxazin-3(4H)-one 86267-11-0