Zhengzhou Changkuan Technology Co., Ltd. |
4-Bromo-9,9'-spirobi[9H-fluorene]
Item:12 CAS:1161009-88-6 Formula:
2-Bromo-9,9-dimethylfluorene
Item:13 CAS:28320-31-2 Formula:
9,9-Dioctylfluorene-2,7-diboronic acid bis(1,3-propanediol) ester
Item:14 CAS:317802-08-7 Formula: