31612-88-1
lithium,ethynoxyethane
+
75-07-0
乙醛
→
36677-86-8
4-ethoxybut-3-yn-2-ol
927-80-0
乙氧基乙炔
623-70-1
反式-2-丁烯酸乙酯
1954-91-2
3-Hydroxy-N-phenylbutanamide