854448-63-8
(3-ethoxycarbonyl-1-methyl-2-oxo-cyclohexyl)-acetic acid ethyl ester
→
58711-31-2
2-(1-methyl-2-oxocyclohexyl)acetic acid
105-36-2
溴代乙酸乙酯
+
583-60-8
2-甲基环己酮