日本人妻中文字幕久久久_国产二区在线播放_亚洲综合偷拍欧美一区_香蕉啪啪视频

Product recommendation

Products

HENGDA BIOTECHNOLOGY

5-nitrobenzimidazole

CAS NO. : 94-52-0
Molecular formula: C7H5N3O2
Structural formula:
Molecular weight: 163
Purity: ≥99.0%(HPLC)
Appearance : Light yellow powder

Copyright(C)2017, Changzhou Hengda Biotechnology Co., Ltd. All Rights Reserved. Supported by ChinaChemNet ChemNet Toocle Copyright Notice

 
點(diǎn)擊這里給我發(fā)消息
在線QQ