108-31-6
马来酸酐
+
18967-75-4
→
~88%
64198-15-8
3-propan-2-ylfuran-2,5-dione
3794-91-0
3-ethyl-2-hydroxy-2-methyl-succinic acid
15719-64-9
30203-69-1
7755-27-3
5-hydroxy-4-isopropylfuran-2(5H)-one
78173-69-0
2-Butenedioic acid, 2-(1-methylethyl)-, diethyl ester, (Z)-
20201-24-5
3-甲基-2-氧代丁酰乙酯
487-66-1
2,5-二羟基-4-甲基-2,5-二氧代-3-呋喃丙酸
20189-42-8
3-乙基-4-甲基吡咯-2,5-二酮
1186-78-3
乙基甲基丁二酸
584-27-0
4,4-二甲基衣康酸