l'oxyde d'hydroxy-2-dimethyl-4,5-diphenyl-1,2-dihydro-1,2-phosphorine

1-cyclohexyl-3,4-dimethylphospholane

1-benzyl-3,4-dimethyl-6-phenyl-1,2-dihydro-phosphinine 1-sulfide

1-benzyl-4,5-dimethyl-1-oxo-2-phenyl-1,2-dihydro-1λ5-phosphinin-2-ol