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

Collection ｜Homepage ｜中文版

More>>
Butyraldehyde
Product name: Butyraldehyde
CAS NO: 123-72-8
Molecular weight: 72.1057 
EC NO: 204-646-6
Molecular formula: C4H8O
InChI: InChI=1/C4H8O/c1-2-3-4-5/h4H,2-3H2,1H3
Structural formula:
  Order                   Back
 
 
 
 
 
国产色a在线观看，中文字幕人妻系列九九视频，日本成熟妇女性爱视频，国产精品系列在线