2,4-diphenyl-2,4-bis(sulfanylidene)-1,3,2λ⁵,4λ⁵-dithiadiphosphetane

N,N-二甲基-N'-苯基甲脒

1,3-diphenyl-2,4-di(phenylimino)-1,3-diaza-2,4-diphosphetidine

2-N,2-N,4-N,4-N-tetramethyl-1,3-diphenyl-1,3-diphosphetane-2,4-diamine

N,N,4,5-tetramethyl-1-phenyl-3,6-dihydro-2H-phosphinin-2-amine