9-[ethoxy(phenyl)phosphoryl]-N-pentylfluoren-9-amine

9-羟基芴

9-(9-hydroxyfluoren-9-yl)fluoren-9-ol

9-(9,10-dihydroanthracen-9-yl)fluoren-9-ol

9-cyclopropa[b]naphthalen-1-ylidenefluorene