1-Piperazineethanol, 4-(3-(2-chloro-7-bromothioxanth-9-ylidene)propyl)-, dihydrochloride 64047-93-4 N 769 Thioxanthene, 7-bromo-2-chloro-9-(3-(4-(2-hydroxyethyl)piperazinyl)propylidene)-, dihydrochloride