4-Chloro-N-(2-chloroethyl)-N-methylbutylamine N-oxide picrylsulfonate Butylamine, 4-chloro-N-(2-chloroethyl)-N-methyl-, N-oxide, picrylsulfonate EO4073000 N-(2-Chloroethyl)-N-methyl-4-chlorobutylamine N-oxide picrylsulfonate