1-(3,4,5-Trimethoxybenzoyl)-4-(2-hydroxy-3-piperidinopropyl)piperazine dihydrochloride 1-Piperazineethanol, alpha-(1-piperidinylmethyl)-4-(3,4,5-trimethoxybenzoyl)-, dihydrochloride 109376-99-0 alpha-(1-Piperidinylmethyl)-4-(3,4,5-trimethoxybenzoyl)-1-piperazineethanol dihydrochloride