综合成人亚洲偷自拍色,一个人看的免费高清www视频,伊人色综合一区二区三区,在线播放五十路熟妇,伊人激情av一区二区三区

  Procurement Request
HomeCompound Synonyms > 9,9'-Spirobi[9H-fluorene],2,3,6,7-tetrabromo
Check Encyclopedia

2',3',6',7'-tetrabromo-9,9'-spirobi[fluorene]

CAS No. : 821785-25-5 Formula : C25H12Br4 Molecular Weight. : 631.979 Check Encyclopedia
Recommended Supplier Purity Lead Time Packing Price View

Hangzhou J&H Chemical Co., Ltd.

98%

7Day (s)

1kg

Request For Qutation