国产色妞妞视频免费看-三级黄色片在线播放-中国大陆一级毛片免费-欧美中文字幕第一页-福利在线视频一区热舞-av麻豆精品插在线,精品自拍偷拍xxx,熟妇免费视频在线观看,中国国产1级毛卡片视频

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

CollectionHomepage中文版

More>>
Epichlorohydrin
Product name: Epichlorohydrin
CAS NO: 106-89-8
Molecular weight: 92.5242 
EC NO: 203-439-8
Molecular formula: C3H5ClO
InChI: InChI=1/C3H5ClO/c4-1-3-2-5-3/h3H,1-2H2
Structural formula:
  Order                   Back