狠狠操影院,成人综合在线观看,免费毛片全部不收费的,欧美天天,美女h黄动漫视频,性感美女黑丝视频,美女视频黄色大全

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