免费看黄a,欧美影视一区二区,国产天堂久久,色婷婷久久一区二区,精品在免费线,午夜三级网站,欧美一区二区三区四区在线观看

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