20836-97-9
2-piperidin-1-yl-2-thioxo-acetic acid ethyl ester
+
368-39-8
三乙基氧翁四氟硼酸
→
53074-95-6
ethyl 2-ethylsulfanyl-2-sulfanylideneacetate
55711-79-0
dipotassium 1,1-dithiooxalate
75-03-6
碘乙烷