66871-64-5 N-(2,4-Dimethylphenyl)-N'-(imino(methylamino)methyl)-urea hydrochloride Urea, 1-(2,4-dimethylphenyl)-3-methylamidino-, hydrochloride Urea, N-(2,4-dimethylphenyl)-N'-(imino(methylamino)methyl)-, monohydrochloride