105-56-6
氰乙酸乙酯
→
~30%
80691-81-2
2,5-二氨基-3,4-噻吩二羧酸二乙酯
104680-25-3
2-氨基-3,4-噻吩二羧酸二乙酯
+
104680-24-2
diethyl 2-hydrazinothiophene-3,4-dicarboxylate hydrochloride