527-72-0
2-噻吩甲酸
+
541-41-3
氯甲酸乙酯
→
~76%
156910-49-5
2,5-噻吩二羧酸乙酯
61755-85-9
thiophene-2,5-dicarboxylic acid ethyl ester
156910-44-0
5-carbethoxythiophene-2-carbonyl chloride
98-88-4
苯甲酰氯