氨气

N,N-bis(diphenylmethylene)-9,9-dioctyl-9H-fluorene-2,7-diamine

4-benzhydrylidenamino-benzoic acid methyl ester

3-[(diphenylmethylene)amino]propionitrile

methyl (S)-2-(diphenylmethylideneamino)-3-phenylpropanoate