自拍偷在线精品自拍偷无码专区,亚洲综合久久无码欧美网站,黄A无码片内射无码视频,亚洲自偷自拍另类

Products

Products

2,4'-Bipyridine
Product name: 2,4'-Bipyridine
CAS NO.: 581-47-5

Alias: 2,4-Bipyridine; 2,4-Dipyridyl; 4-Pyridylpyridine; 2,4'-Bipyridine
Appearance: Pale yellow solid

Content: >97.0%

Molecular formula: C10H8N2

Molecular weight: 156.19 

Structural formula: 2,4'-Bipyridine


Copyright(C)2021,Hunan Dacheng Medical Chemical Co., Ltd. All Rights Reserved. All Rights Reserved.?
Supported by?ChemNet?ChinaChemNet?Toocle?31fabu?Copyright Notice