140-89-6
乙基黄原酸钾
+
623-48-3
碘代醋酸乙酯
→
~99%
3278-34-0
ethyl 2-ethoxycarbothioylsulfanylacetate
105-36-2
溴代乙酸乙酯
~93%
105-39-5
氯乙酸乙酯
~92%
~90%