4,6-dimethyl-2-phenyl-5H-1,3,5,2λ⁵-triazaphosphinine 2-oxide

2-hydroxy-4,6-dimethyl-2-phenoxy-1,3,5-triaza-2λ⁵-phosphacyclohexa-1,3,5-triene

2-ethoxy-4,6-dimethyl-5H-1,3,5,2λ⁵-triazaphosphinine 2-oxide

3-bromochromen-2-one

(hydroxy-2 phenyl)-6 methyl-2 oxo-4 dihydro-3,4 pyrimidine