亚洲精品网站在线播放gif,视频黄色免费,免费精品久久久久久中文字幕,国产精品久久久久高潮,伊人爱爱,免费无遮挡www小视频,国产又黄又刺激视频

2-Bromo-5-nitro pyridine

  • CasNo: 4487-59-6
  • Molecular Formula: C5H3BrN2O2
  • Purity:99
  • Molecular Weight:202.99
Inquiry

Product Details

Melting point: 137-141 oC

Packing:25 kg/barrel

Appearance:White powder