1-(二甲氨基)吡咯

3-(dimethylaminocarbamothioylsulfanyl)propanoic acid

2-氧代-丙醛 1-(二甲基腙)

ethyl (2Z)-2-(dimethylhydrazinylidene)propanoate

N-methyl-N-(2-methylprop-2-enylideneamino)methanamine