AK Scientific, Inc.
USA
8-Bromo-7-(2-butynyl)-3,7-dihydro-3-methyl-1H-purine-2,6-dione
CM Fine Chemicals
Switzerland
8-Bromo-7-(but-2-ynyl)-3-Methyl-1H-Purine-2,6(3H,7H)-Dione
Leap Chem Co., Ltd
P.R.China
8-Bromo-7-(2-butynyl)-3,7-dihydro-3-methyl-1H-purine-2,6-dione
Dayang Chem (Hangzhou) Co.,Ltd.
P.R.China
8-Bromo-7-(but-2-ynyl)-3-methyl-1H-purine-2,6(3H,7H)-dione
Hefei Hirisun Pharmatech Co., Ltd
P.R.China
8-Bromo-7-(but-2-ynyl)-3-Methyl-1H-Purine-2,6(3H,7H)-Dione
Amadis Chemical Company Limited
P.R.China
8-Bromo-7-(but-2-ynyl)-3-Methyl-1H-Purine-2,6(3H,7H)-Dione
Xiamen Kinbester Co., Ltd.
P.R.China
8-Bromo-7-(2-butynyl)-3,7-dihydro-3-methyl-1H-purine-2,6-dione
AK Scientific, Inc.
USA
8-Bromo-7-(2-butynyl)-3,7-dihydro-3-methyl-1H-purine-2,6-dione
Hangzhou Meite Industry Co., Ltd (Hangzhou Meite Chemical Co., Ltd)
P.R.China
8-Bromo-7-(but-2-ynyl)-3-methyl-1H-purine-2,6(3H,7H)-dione
Ambeed, Inc.
USA
8-Bromo-7-(but-2-yn-1-yl)-3-methyl-1H-purine-2,6(3H,7H)-dione
Junwee Chemical Co., Ltd.
P.R.China
8-Bromo-7-(2-butyn-1-yl)-3,7-dihydro-3-methyl-1H-purine-2,6-dione
Finetech Industry Limited
P.R.China
8-Bromo-7-(but-2-yn-1-yl)-3-methyl-1H-purine-2,6(3H,7H)-dione
AK Scientific, Inc.
USA
Linagliptin related compound A
Aozeal Certified Standards (AOCS), Inc.
USA
Linagliptin Impurity 7
FUDI Chemical Co. Ltd.
P.R.China
8-Bromo-7-(but-2-ynyl)-3-methyl-1H-purine-2,6(3H,7H)-dione
Xingrui Industry Co., Limited
P.R.China
8-Bromo-7-(but-2-ynyl)-3-methyl-1H-purine-2,6(3H,7H)-dione
Junwee Chemical Co., Ltd.
P.R.China
8-Bromo-7-(but-2-ynyl)-3-methyl-1H-purine-2,6(3H,7H)-dione
Conscientia Industrial Co., Ltd (Zhejiang Conscientia Pharmaceutical)
P.R.China
8-Bromo-7-(but-2-ynyl)-3-methyl-1H-purine-2,6(3H,7H)-dione
Hangzhou Cherry Pharmaceutical Technology Co., Ltd.
P.R.China
3-Methyl-7-(2-butyn-1-yl)-8-bromoxanthine
Shandong SanYoung Industry Co., Ltd
P.R.China
8-Bromo-7-(but-2-ynyl)-3-methyl-1H-purine-2,6(3H,7H)-dione
Nantong Xindao Biotech Ltd
P.R.China
8-bromo-7-but-2-yn-1-yl-3-methyl-3,7-dihydro-1H-purine-2,6-dione
BLD Pharmatech Ltd
P.R.China
8-Bromo-7-(but-2-ynyl)-3-methyl-1H-purine-2,6(3H,7H)-dione
Chemlyte Solutions
P.R.China
8-Bromo-7-(2-butynyl)-3,7-dihydro-3-methyl-1H-purine-2,6-dione