[2,7-ditert-butyl-9-(hydroxymethyl)fluoren-9-yl]methanol

2,7-ditert-butylfluoren-9-one

2-tert-butyl-7-nitro-9H-fluorene

9H-Fluorene, 2,7-bis(1,1-dimethylethyl)-4-nitro-

2,7-ditert-butyl-9-[3-(2,7-ditert-butyl-9-hydroxyfluoren-9-yl)prop-2-ynyl]fluoren-9-ol