106-88-7
1,2-环氧丁烷
+
111-36-4
异氰酸正丁酯
→
105873-72-1
3-butyl-4-ethyl-1,3-oxazolidin-2-one
105873-73-2
2-噁唑烷酮, 3-丁基-5-乙基-