16459-31-7
2-Propenoic acid, 2-cyano-3-[2-(2-nitrophenyl)hydrazino]-, ethyl ester
→
~65%
16459-33-9
5-氨基-1-(2-硝基苯基)-1H-吡唑-4-羧酸乙酯
94-05-3
2-氰基-3-乙氧基丙烯酸乙酯
3034-19-3
2-硝基苯肼