1-(3-Piperidinopropionyl)-4-(2-hydroxy-3-(4-methylpiperazine)propyl)piperazine 4HCl 1-Piperazineethanol, alpha-((4-methyl-1-piperazinyl)methyl)-4-(1-oxo-3-(1-piperidinyl)propyl)-, tetrahydrochloride 109376-96-7