播放日韩一级黄色片,欧美一二三专区,国产自av,欧美一线视频,国产夜夜夜,www 久久久久,99久久婷婷国产综合精品免费

2-Hydroxyphenyl boronic acid

  • CasNo: 89466-08-0
  • Molecular Formula: C6H7BO3
  • Purity:99
  • Molecular Weight:137.93
Inquiry

Product Details

Packing:25 kg/barrel

Appearance:White powder