甲基锂

1-(2,2-dimethylpropyl)-2,3,4,5,6-pentamethylbenzene

1,2,3,3,4,5-hexamethyl-6-methylidenecyclohexa-1,4-diene

1,1,2,3,5,6-hexamethyl-4-neopentyl-2,4-cyclohexadiene

1,1,2,3,5,6-hexamethyl-4-neopentyl-2,5-cyclohexadiene