112446-49-8 4-(1-(5-Chloro-2-((2-chlorophenyl)thio)phenyl)ethyl)-1-methylpiperazine bismaleate Piperazine, 4-(1-(5-chloro-2-((2-chlorophenyl)thio)phenyl)ethyl)-1-methyl-, (Z)-2-butenedioate (1:2)