13747-72-3
乙基 1,4-二氧杂螺[4.5]癸烷-6-羧酸酯
→
~64%
4746-93-4
1,4-dioxaspiro[4.5]decane-6-carboxylic acid
107-21-1
乙二醇
+
1655-07-8
2-环己酮甲酸乙酯
16493-10-0
60-29-7
乙醚
N/A