118-71-8
2-甲基-3-羟基-4-吡喃酮
+
108-24-7
乙酸酐
→
~83%
28787-36-2
乙酸麦芽酚酯
5538-51-2
邻乙酰水杨酰氯
147249-33-0
(2-methyl-4-oxopyran-3-yl) 2-acetyloxybenzoate