3-ethyl-6-phenyl-5,6,7,8-tetrahydro-3H-phosphinino[4,3-d]pyrimidin-4-ylideneamine
4-methylsulfanyl-6-phenyl-5,6,7,8-tetrahydro-phosphinino[4,3-d]pyrimidine 6-sulfide
6-phenyl-5,6,7,8-tetrahydro-phosphinino[4,3-d]pyrimidin-4-ylamine
6-phenyl-5,6,7,8-tetrahydro-3H-phosphinino[4,3-d]pyrimidine-4-thione
1-phenyl-4-phosphorinanone