62217-60-1
ethyl 3,3-dimethyl-2-sulfanylidenebutanoate
+
925-90-6
乙基溴化镁
→
62217-62-3
ethyl 2-ethylsulfanyl-3,3-dimethylbutanoate
5333-74-4
ethyl 3,3-dimethyl-2-oxobutanoate