国产精品人妇原创在线播放_国产内射一级一片内射精品视频_中文字幕亚洲制服在线看_国产真实偷人视频A-国产亚洲精品天堂-久久国产麻豆黄片-久久天堂国产精品-91欧美

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

CollectionHomepage中文版

More>>
Morpholine
Product name: Morpholine
CAS NO: 110-91-8;138048-80-3
Molecular weight: 87.1278 
EC NO: 203-815-1
Molecular formula: C4H9NO
InChI: InChI=1/C4H9NO/c1-3-6-4-2-5-1/h5H,1-4H2/p+1
Structural formula:
  Order                   Back