66871-54-3 N-(2,6-Dibromophenyl)-N'-(imino(methylamino)methyl)-urea hydrochloride Urea, 1-(2,6-dibromophenyl)-3-methylamidino-, hydrochloride Urea, N-(2,6-dibromophenyl)-N'-(imino(methylamino)methyl)-, monohydrochloride