6186-89-6
3-O-ethyl 1-O-methyl propanedioate
+
95-71-6
甲基氢醌
→
~73%
5248-20-4
6-hydroxy-4,7-dimethylchromen-2-one
141-97-9
乙酰乙酸乙酯
437650-94-7
4-methoxy-5-methyl-2-prop-1-en-2-ylphenol