2-苯基-2,3-二氢-1H-异吲哚

N,N'-dimethyl-N,N'-diphenylhexa-2,4-diyne-1,6-diamine

methyl 4-(N-methyl-N-phenylamino)but-2-ynoate

ethyl 4-(N-phenyl-N-methylamino)-2-butynoate