1-(2-Chloroethyl)-1-methylaziridinium 2,4,6-trinitrobenzenesulfonate 1-Methyl-1-(beta-chloroethyl)ethylenimonium picrylsulfonate 547-95-5 Aziridinium, 1-(2-chloroethyl)-1-methyl-, 2,4,6-trinitrobenzenesulfonate