1761-62-2
5-碘水杨醛
+
105-36-2
溴代乙酸乙酯
→
929193-49-7
ethyl 5-iodo-1-benzofuran-2-carboxylate
174775-48-5
5-氨基苯并呋喃甲酸乙酯
685-87-0
溴代丙二酸二乙酯