久久一日本道色综合久,九九热亚洲精品综合视频,中国一级老太婆毛片免费,黄色视频免费在线观看,在线日韩中文字幕,亚洲一级毛片免费在线观看,国产一区二区在免费观看

4-Bromo-2,6-difluoro benzoic acid

  • CasNo:183065-68-1
  • Molecular Formula:C7H3BrF2O2
  • Purity:99
  • Molecular Weight:237
Inquiry

Product Details

Packing:25kg/barrel

Application:Liquid Crystal