1-(2-Chloroethyl)amidino-3-(2,6-xylyl)-urea hydrochloride 68656-83-7 N-(((2-Chloroethyl)amino)iminomethyl)-N'-(2,6-dimethylphenyl)urea hydrochloride Urea, 1-(2-chloroethyl)amidino-3-(2,6-xylyl)-, hydrochloride Urea, N-(((2-chloroethyl)amino)iminomethyl)-N'-(2,6-dimethylphenyl)-, monohydrochloride