7783-06-4
氢硫酸
+
998-97-0
ethyl butanimidate
→
924-74-3
O-ethyl butanethioate
105-54-4
丁酸乙酯
107-90-4
丁脒
61323-27-1
ethyl 5-propyl-1,3-thiazole-4-carboxylate