82091-12-1
methyl 2-(2-methoxycarbonylphenoxy)carbonyloxybenzoate
+
802294-64-0
C2H5CO2H
→
40523-60-2
methyl 2-propanoyloxybenzoate
119-36-8
柳酸甲酯
123-62-6
丙酸酐