75-03-6
碘乙烷
+
911793-49-2
→
6947-04-2
ethyl 1,4-dioxaspiro[4.4]nonane-8-carboxylate
159329-38-1
1,4-dioxaspiro[4.4]nonane-8-carbonitrile
41171-91-9
3-oxocyclopentanecarbonitrile
930-30-3
2-环戊烯酮
5400-79-3
3-氧代环戊烷甲酸乙酯
107-21-1
乙二醇
98-78-2
3-氧代-1-环戊烷羧酸