国产精品无码不卡av在线播放_日韩?v无码一区二区三区_性国产精品三級片在线免費版_午夜精品一区在线观看_欧美极品少妇×xxxbbb_日本大道香蕉中文在线_久久综合综合色88中文_日本免费自拍亚洲_午夜福利理论片中文字幕_91福利视频导航

Welcome to Huzhou Hengyuan Biochem. Tech. Co., Ltd. Website!

Product Show

◎ Home > Products > Pharmaceutical intermediate
Rupatadine intermediates

5-Methylnicotinic acid
CAS No：3222-49-9

Molecular formula: C7H7NO2
Molecular weight: 137.14

3，5-3,5-Pyridinedicarboxylic acid
CAS NO：499-81-0 
Molecular formula: C7H5NO4 

Home | About us | News | Product | Honor | Order | Contact us
ADD：No.9, Shaputian, Changchao Chemical Park, Hefu Town, Nanxun District, Huzhou City, Zhejiang Province, China
Tel: +86-572-2767333 / 3731006
Mobile: +86-13567283958
Fax: +86-572-2767306
QQ: 41153055
Copyright(C)2019,Huzhou Hengyuan Biochem. Tech. Co., Ltd.?All Rights Reserved.Supported by?ChemNet?ChinaChemNet?Toocle