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-Hydroxy-5-nitro pyridine

  • CasNo:5418-51-9
  • Molecular Formula:C5H4N2O3
  • Purity:98
  • Molecular Weight:140.1
Inquiry

Product Details

Melting point: 188-191 oC

Packing:25 kg/barrel

Appearance:White powder