89499-47-8
ethyl 5-acetamidothiophene-2-carboxylate
→
~94%
89499-46-7
5-(乙酰氨基)噻吩-2-羧酸
6317-37-9
5-硝基噻吩-2-甲酸
+
108-24-7
乙酸酐
~2%
2-Thiophenecarboxylic acid, 5-(acetylamino)-, ethyl ester
660-88-8
5-氨基颉草酸