2-(3,4-Dimethoxybenzylhydrazino)-3,4,5,6-tetrahydropyrimidine hydrochloride 57513-74-3 Pyrimidine, 2-(3,4-dimethoxybenzylhydrazino)-3,4,5,6-tetrahydro-, hydrochloride Pyrimidine, 3,4,5,6-tetrahydro-2-(3,4-dimethoxybenzylhydrazino)-, hydrochloride