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:

產品介紹  產品介紹  
?
Products

Service Hotline

+86-28-85122536
Add: 488 West Kelin Road, Haixia Science Park, Wenjiang District, Chengdu City, Sichuan Province, China
Products
2,2,6,6,-四甲基哌啶-4-甲腈
Chinese name:2,2,6,6,-四甲基哌啶-4-甲腈
English name:2,2,6,6-TetraMethyl-4-cyanopiperidine
CAT:54155
CAS No:67845-90-3
Purity:
Molecular formula:
Molecular weight:

【Return】

Chengdu AstaTech Chemical Technology Co., Ltd.