2-溴-9,9'-螺二芴

9,9'-spirobi[fluorene]-2,2'-dicarboxylic acid

2,2'-二溴-9,9'-螺二芴

2,2',7,7'-四溴-9,9'-螺二芴

2,2',7,7'-tetraiodo-9,9'-spirobi[fluorene]