108-94-1
环己酮
+
66909-41-9
O-ethyl S-(tetrahydro-2-oxo-3-furanyl) thiocarbonate
→
21681-63-0
3-cyclohexylideneoxolan-2-one
96-48-0
γ-丁内酯
77772-24-8
α-(diphenylmethylsilyl)-γ-butyrolactone