52599-92-5
7-acetyl-6-hydroxy-3-methyl-benzofuran-2-carboxylic acid
+
75-36-5
乙酰氯
→
53725-21-6
5,7-diacetyl-6-hydroxy-3-methyl-1-benzofuran-2-carboxylic acid
341015-87-0
6-acetoxy-3-methyl-benzofuran-2-carboxylic acid