国产精品久久久久久久久图文区,亚洲精品www久久久久久广东,91日日夜夜,91精品国产自产老师啪,秋霞午夜视频,国内精品久久久久久久久久久久,一区二区国产视频

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