sao虎视频在线精品永久,大学生一级特黄的免费大片视频,一级毛片在线播放免费,黄色s片,成人三级电影网站,在线看片黄,黄色电影在线免费观看

3,5-Dibromopyridine

  • CasNo:625-92-3
  • Molecular Formula:C5H3Br2N
  • Purity:99
  • Molecular Weight:236.89
Inquiry

Product Details

Melting point: 110-114 oC

Packing:25 kg/barrel

Appearance:White powder