日韩欧美中文字幕有码人妻在线_亚洲人成在线观看无码_AA级片欧美久久片_少妇偷倩打野战 ,美国一级欧美三级,一级毛片试看,一级片在线观看免费,国产一级免费视频

Welcome to visit Changzhou Chengbang Chemical Co., Ltd. official website!

Collection ｜Homepage ｜中文版

More>>
Benzoyl chloride
Product name: Benzoyl chloride
CAS NO: 98-88-4
Molecular weight: 140.56 
EC NO: 202-710-8
Molecular formula: C7H5ClO
InChI: InChI=1/C7H5ClO/c8-7(9)6-4-2-1-3-5-6/h1-5H
Structural formula:
  Order                   Back