35260-93-6
2-氰基-3-乙氧基巴豆酸乙酯
+
623-51-8
巯基乙酸乙酯
→
~22%
35728-99-5
diethyl 3-amino-5-methylthiophene-2,4-dicarboxylate
35728-97-3
ethyl 4-cyano-3-hydroxy-5-methylthiophene-2-carboxylate