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
5-AMINO-2-CYANOPYRAZINE
Chinese name:2-氨基-5-氰基吡嗪
English name:5-AMINO-2-CYANOPYRAZINE
CAT:52134
CAS No:113305-94-5
Purity:0.97
Molecular formula:C8H6ClN3
Molecular weight:179.6063

【Return】

Chengdu AstaTech Chemical Technology Co., Ltd.