68656-62-2 N-(2,4-Dichloro-6-methylphenyl)-N'-(imino(methylamino)methyl)-urea hydrochloride Urea, 1-(2,4-dichloro-6-methylphenyl)-3-methylamidino-, hydrochloride Urea, N-(2,4-dichloro-6-methylphenyl)-N'-(imino(methylamino)methyl)-, monohydrochloride