最新国产在线视频,永久久久久久,国产免费观看a大片的网站,成人自拍偷拍,欧美日韩成人激情,亚洲欧美国产日本,国产精品国产三级国产播12软件

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