亚洲女人性开放式视频_婷婷五月综合缴情五_久天啪天天久久98久久_91自拍偷拍视频蜜月

Products
4-Sulfonamidophenylhydrazine hydrochloride
Formula
molecular formula C6H9N3O2S·HCl
molecular weight 223.68
CAS No 17852-52-7
Specifications 企標(biāo)
 Uses 塞來昔布中間體
Up product: ParecoxibNext product: Tofacitinib Intermediate 】 【Back