2-(9,9'-Spirobi[fluoren]-4-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane

2-(9,9'-Spirobi[fluoren]-3-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane

4-Bromo-9,9'-spirobi[fluorene]

2-Butyl-3-((2'-(2-trityl-2H-tetrazol-5-yl)-[1,1'-biphenyl]-4-yl)methyl)-1,3-diazaspiro[4.4]non-1-en-4-one

3,9-Di(cyclohex-3-en-1-yl)-2,4,8,10-tetraoxaspiro[5.5]undecane

2-Oxa-9-azaspiro[5.5]undecane

3,9-Bis(2,4-di-tert-butylphenoxy)-2,4,8,10-tetraoxa-3,9-diphosphaspiro[5.5]undecane

2-Oxa-9-azaspiro[5.5]undecane hydrochloride

3-Methyl-3,9-diazaspiro[5.5]undecane

2,2',7,7'-Tetrabromo-9,9'-spirobifluorene