欧美性理论片在线观看片免费_日本人AA片免费观看_国产日本欧美亚洲精品视_欧美娇小18videos

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

CollectionHomepage中文版

More>>
Resorcinol
Product name: Resorcinol
CAS NO: 108-46-3
Molecular weight: 110.1106 
EC NO: 203-585-2
Molecular formula: C6H6O2
InChI: InChI=1/C6H6O2/c7-5-2-1-3-6(8)4-5/h1-4,7-8H
Structural formula:
  Order                   Back