2-Chloro-10-(3-(4-methyl-1-piperazinyl)propyl)-10H-phenothiazine monomethanesulphonate 3111-70-4 EINECS 221-473-1 Phenothiazine, 2-chloro-10-(3-(4-methyl-1-piperazinyl)propyl)-, hydrogen methanesulfonate Piperazine, 1-methyl-4-(3-(2-chloro-phenothiazin-10-yl)propyl)-, hydrogen methanesulfonate Prochlorperazine hydrogen methanesulfonate