89521-46-0
1-(1-methylcyclopentyl)-2-(triphenyl-λ5-phosphanylidene)ethanone
→
89521-49-3
1-(1-methylcyclopentyl)prop-2-yn-1-one
20023-50-1
1-甲基环戊烷羰酰氯
+
1066-54-2
三甲基乙炔基硅