3530-11-8
BUTYLHYDRAZINE
+
94-05-3
2-氰基-3-乙氧基丙烯酸乙酯
→
~83%
112779-14-3
5-氨基-1-叔丁基吡唑-4-甲酸乙酯
7400-27-3
叔丁基肼盐酸盐
~77%
72459-84-8
ethyl (ethoxymethylene)cyanoacetate
~74%