108-30-5
丁二酸酐
+
600-00-0
2-溴-2-甲基丙酸乙酯
→
~77%
69527-64-6
6-ethoxy-5,5-dimethyl-4,6-dioxohexanoate
41654-04-0
5-甲基-4-氧代-己酸