1,4,5,6-Tetrahydro-5-phenyl-2-pyrimidinamine sulfate (2:1) 2-Amino-5-phenyl-1,4,5,6-tetrahydropyrimidine hemisulfate 2-Pyrimidinamine, 1,4,5,6-tetrahydro-5-phenyl-, sulfate (2:1) 78534-19-7