国产一区二区在线播放,色视频在线网站,九色精品高清在线播放,www.sihu,日本xxxxx成年视频软件,色播播电影,久草视频在线看

2,5-Dibromo pyridine

  • CasNo:624-28-2
  • Molecular Formula: C5H3Br2N
  • Purity:99
  • Molecular Weight:236.89
Inquiry

Product Details

Melting point: 91-96 oC

Packing:25 kg/barrel

Appearance:White powder