1(2H)-Pyrimidineethanamine, tetrahydro-3-ethyl-N-phenyl-, ethanedioate, hydrate (2:4:3) 77869-61-5 N-(2-(3-Ethylhexahydropyrimidino)ethyl)aniline oxalate hydrate Tetrahydro-3-ethyl-N-phenyl-1(2H)-pyrimidineethanamine ethanedioate, hydrate (2:4:3)