9-fluorenylidene-1'-(4'-oxo-2',3'-dichloro-5',6'-dicyano)-2',5'-cyclohexadienylidene 9,1'-oxide

1-(cis-2-Cyclopropylvinyl)dibenzo[d,f]spiro[2.4]heptane

1-(9-methylfluoren-9-yl)ethanone

hexafluorospiro

exo-3,3-Fluorenylidenetricyclo[3.2.1.02,4]octan-anti-8-ol