Purine e Impurezas

2-Aminoadenosine

(R)-methyl 2-((1-(7-(but-2-yn-1-yl)-3-methyl-1-((4-methylquinazolin-2-yl)methyl)-2,6-dioxo-2,3,6,7-tetrahydro-1H-purin-8-yl)piperidin-3-yl)carbamoyl)benzoate

(2R,3R,4S,5R)-2-(6-Amino-8-iodo-9H-purin-9-yl)-5-(hydroxymethyl)tetrahydrofuran-3,4-diol

N6-METHYL-2'-DEOXYADENOSINE

(R,Z)-tert-Butyl (1-(7-(3-bromobut-2-en-1-yl)-3-methyl-1-((4-methylquinazolin-2-yl)methyl)-2,6-dioxo-2,3,6,7-tetrahydro-1H-purin-8-yl)piperidin-3-yl)carbamate (Linagliptin Impurity)

Uric acid

Xanthosine

2-Chloro-2'-deoxyadenosine

1H-Purin-6-amine, 1-methyl-

(±)-Lisofylline

6-Mercaptopurine

((2S,5R)-5-(6-Amino-9H-purin-9-yl)tetrahydrofuran-2-yl)methanol

(2R,3R,4R,5R)-5-(6-Amino-9H-purin-9-yl)-2-(hydroxymethyl)-4-(2-methoxyethoxy)tetrahydrofuran-3-ol

(R)-2-amino-9-(4,4-diethoxy-2-(hydroxymethyl)butyl)-1,9-dihydro-6H-purin-6-one

(2R)-3-({2-amino-9-[(4-fluorophenyl)methyl]-6-oxo-6,9-dihydro-3H-purin-8-yl}sulfanyl)-2-acetamidopropanoic acid

N-[(Dimethylamino)methylene]guanosine

6-Chloro-9-ethyl-8-iodo-9H-purine

(2R,3R,4S,5S)-2-(6-Amino-9H-purin-9-yl)-5-((methylthio)methyl)tetrahydrofuran-3,4-diol

2-(3-Methyl-2,6-dioxo-1,2,3,6-tetrahydro-7h-purin-7-yl)acetic acid

Guanosine-5'-triphosphate (disodium salt)