欧美韩中文精品有码视频在线_日韩午夜无码a级毛片_国产美女口爆吞精普通话_一夜强开两女花苞

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