欧美韩中文精品有码视频在线_日韩午夜无码a级毛片_国产美女口爆吞精普通话_一夜强开两女花苞

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