2706-90-3
九氟戊酸
+
308-28-1
2,2,3,3,4,4,5,5,5-nonafluoropentanoyl 2,2,3,3,4,4,5,5,5-nonafluoropentanoate
74-86-2
乙炔
→
424-37-3
全氟戊酸乙烯酯