久久久一本精品,视频免费一区,α片免费看,成年人黄色片视频,久久精品99久久久久久,国产在线视频欧美一区二区三区,一集黄色电影

logo_Lianyungang Shenghe Biotechnology Co., Ltd.

盛和生物

Shenghe Biotechnology

Products

4-Chloro-N-methylpicolinamide

CAS NO 220000-87-3
Molecular formula C7H7ClN2O
Molecular weight 170.60
Molecular structure
Property Yellow viscous material, standing into yellow solid
Melting point 32-35℃
Copyright(C)2018 , Lianyungang Shenghe Biotechnology Co., Ltd. All Rights Reserved. Supported by ChemNet ChinaChemNet Toocle Copyright Notice 備案序號： 蘇ICP備09101806號-2

Go
Top