835878-20-1
117311-14-5
1353976-78-9
2441058-57-5
1203486-63-8
2305615-53-4
2060547-58-0
1094106-61-2
1211520-41-0
1356110-30-9
1166831-37-3
1346621-21-3
9,9'-Spirobi[fluorene]-3,3'-dicarboxylic dianhydride
36195-35-4
2098546-05-3
1289207-30-2
2904577-90-6
1331821-82-9
16676-32-7
2205867-69-0
2172856-38-9
3,3'-Bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-9,9'-spirobi[fluorene]