国产综合自拍,av影音天堂,国产精品视频一区国模私拍,亚洲欧洲免费无码,日本人丰满xxxxhd,日韩女同一区二区三区

Chengdu AstaTech Chemical Technology Co., Ltd.
English
中文版
Chengdu AstaTech Chemical Technology Co., Ltd.

Hot key words:

產(chǎn)品介紹  產(chǎn)品介紹  
?
Products

Service Hotline

+86-28-85122536
Add: 488 West Kelin Road, Haixia Science Park, Wenjiang District, Chengdu City, Sichuan Province, China
Products
4-METHYL-PYRIDINE-2-SULFONYLCHLORIDE
Chinese name:4-甲基吡啶-2-磺酰氯
English name:4-METHYL-PYRIDINE-2-SULFONYLCHLORIDE
CAT:27044
CAS No:341008-95-5
Purity:0.97
Molecular formula:C6H6ClNO2S
Molecular weight:191.64

【Return】

Chengdu AstaTech Chemical Technology Co., Ltd.