1-(3-Piperidinopropionyl)-4-(2-hydroxy-3-piperidinopropyl)piperazine 1-Piperazineethanol, 4-(1-oxo-3-(1-piperidinyl)propyl)-alpha-(1-piperidinylmethyl)- 110187-52-5 4-(1-Oxo-3-(1-piperidinyl)propyl)-alpha-(1-piperidinylmethyl)-1-piperazineethanol