65009-25-8 N-(Imino(methylamino)methyl)-N'-(2,4,6-trimethylphenyl)-urea hydrochloride Urea, 1-mesityl-3-methylamidino-, hydrochloride Urea, N-(imino(methylamino)methyl)-N'-(2,4,6-trimethylphenyl)-, monohydrochloride