中文字幕+乱码+中文字幕视频 ,中国黄色片毛,免费

Home > Compound Synonyms > QC-4940

CAS No. : 1195995-72-2 Formula : C11H17BN2O2 Molecular Weight. : 220.076 Check Encyclopedia

Synonyms : 2-Aminopyridine-4-boronic acid pinacol ester; 4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2-amine; QC-4940;

Supplier : All (38) China Suppliers (25) Price Available (12) Contractor (6)

Recommended Supplier	Purity	Lead Time	Packing	Price
Win-Win Chemical CO., Limited	98%	3Day (s)	10g/瓶	Request For Qutation
Hangzhou J&H Chemical Co., Ltd.	98%	-	1kg	Request For Qutation
Career Henan Chemical Co	0.98	3Day (s)	10g	Request For Qutation
Struchem Co., Ltd.	97%	5Day (s)	1g/瓶	Request For Qutation
Shanghai Jizhi Biochemical Technology Co., Ltd.	95%	1Week (s)	250mg/瓶	Request For Qutation

综合成人亚洲偷自拍色,一个人看的免费高清www视频,伊人色综合一区二区三区,在线播放五十路熟妇,伊人激情av一区二区三区