1-(2-Methylphenyl)-4,4-dimethyl-aminoguanidine hydrochloride 100751-78-8 Hydrazinecarboximidamide, N,N-dimethyl-2-(2-methylphenyl)-, monohydrochloride N,N-Dimethyl-2-(2-methylphenyl)hydrazinecarboximidamide monohydrochloride