68-12-2
N,N-二甲基甲酰胺
+
171408-76-7
2-溴-9,9'-螺二芴
→
~89%
124575-66-2
9,9'-spirobi[fluorene]-2-carbaldehyde
4885-02-3
二氯甲基甲醚
159-66-0
9,9'-螺二芴
~70%
90-41-5
邻氨基联苯
2113-51-1
2-碘联苯