140472-19-1
6-methyl-3,5-octadien-7-yn-2-one
+
105-36-2
溴代乙酸乙酯
→
140472-20-4
ethyl 3-hydroxy-3,7-dimethylnona-4,6-dien-8-ynoate
74336-72-4
E-3-methyl-2-penten-4-ynal