9-[bis(4-methylphenyl)methylidene]fluorene

2,3,7-trichlorofluoren-9-one

N-[2-(9H-fluoren-9-yl)-2-methylpropyl]benzamide

2,7-bis(bromomethyl)-9,9-diethylfluorene

9-(2-phenylphenyl)-9H-fluorene