617-35-6
丙酮酸乙酯
+
57-14-7
偏二甲肼
→
~90%
65296-08-4
ethyl (2Z)-2-(dimethylhydrazinylidene)propanoate
184579-16-6
ethyl 2-hydroxy-2-phenyldiazenylpropanoate
13732-33-7
ethyl 2-(phenylhydrazinylidene)propanoate