2,3,5,6-tetrahydro-1H-imidazo[1,2-a]imidazole

1,1'-(亚氨基二-2,1-乙二基)二(2-吡咯烷酮)

N'-[2-(benzylideneamino)ethyl]ethane-1,2-diamine

2,2,2-trifluoro-N-[2-[(2,2,2-trifluoroacetyl)-[2-[(2,2,2-trifluoroacetyl)amino]ethyl]amino]ethyl]acetamide

N,N-(亚氨基二乙烯)二(十二碳酰胺)