91**毛片一级在线播放,日本xx免费看视频mm,亚洲va久久久噜噜噜久久,日韩尤物在线,95丝袜美女视频国产,范冰冰佟大为浴室视频,国产极品美乳美女视频

1-Methylpyrazole-4-boronic acid pinacol ester

  • CasNo:761446-44-0
  • Molecular Formula:C10H17BN2O2
  • Purity:99
  • Molecular Weight:208.07
Inquiry

Product Details

Melting point:59-64 oC

Packing:25 kg/barrel

Application:New Drug