35322-20-4
ethyl 4-(4-methoxyphenyl)-2,4-dioxobutanoate
→
~61%
55558-77-5
4-(4-甲氧基苯基)-2,4-二氧丁酸
95-92-1
乙二酸二乙酯
+
100-06-1
对甲氧基苯乙酮