1-[4-(1-hydroxy-2,3,4,5-tetraphenylcyclopenta-2,4-dien-1-yl)phenyl]-2,3,4,5-tetraphenylcyclopenta-2,4-dien-1-ol

1,4-di(nonyl)benzene

4-bromo-2,6-dinitrophenol

1,4-bis(methylselanyl)benzene

1,4-dicyclopropylbenzene