1,2,3,4,5-五甲基-2,4-环戊二烯-1-甲酰氯

(1,2,3,4,5-pentamethylcyclopenta-2,4-dien-1-yl)selanylbenzene

五甲基环五二烯化钠

钾 五甲基环戊基二草乃敌

溴五甲基苯