3431-62-7
3-硝基苯甲醛肟
+
1007476-32-5
sodium acetyl acetic acid ethyl ester
→
93187-48-5
Ethyl 5-methyl-3-(3-nitrophenyl)-1,2-oxazole-4-carboxylate
1143-82-4
5-甲基-3-苯基异恶唑-4-羧酸乙酯
38694-05-2
5-methyl-3-(3-nitrophenyl)-1,2-oxazole-4-carboxylic acid