70-23-5
3-溴丙酮酸乙酯
+
619-80-7
对硝基苯甲酰胺
→
~82%
78979-63-2
2-(4-硝基苯基)-噁唑-4-羧酸乙酯
78979-40-5
ethyl (4S)-2-(4-nitrophenyl)oxazolidine-4-carboxylate
~75%
555-16-8
对硝基苯甲醛
4117-31-1
丝氨酸乙酯