503-17-3
2-丁炔
→
87-85-4
六甲基苯
+
93768-83-3
(2,3,4,5-tetramethylcyclopenta-2,4-dien-1-yl)benzene
108-86-1
溴代苯
54458-61-6
2,3,4,5-四甲基-2-环戊烯酮
64417-14-7
3-phenyl-1,2,4,5-tetramethyl-1,3-cyclopentadiene