氨气

3-溴丙烯

2-(1-氨基-2-羟基-1-氧代-2-丙基)氨基甲酰肼

4-methyl-3-phenyl-1-oxa-3-azonia-2-azanidacyclopent-3-en-5-imine,hydrochloride

丙酮腈