Purine e Impurezze

((3aR,4R,6R,6aR)-6-(6-Amino-9H-purin-9-yl)-2,2-dimethyltetrahydrofuro[3,4-d][1,3]dioxol-4-yl)methyl ((R)-2-((tert-butoxycarbonyl)amino)-5-oxo-5-(tritylamino)pentanoyl)sulfamate

2-amino-9-[(2S,3S,4R,5S)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]-6,9-dihydro-1H-purin-6-one

Vidarabine (monohydrate)

7-(But-2-yn-1-yl)-8-ethoxy-3-methyl-1-((4-methylquinazolin-2-yl)methyl)-1H-purine-2,6(3H,7H)-dione (Linagliptin Impurity)

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

5'-O-DMT-2'-O-iBu-N-Bz-Guanosine

9-[(2R,4S,5R)-5-{[bis(4-methoxyphenyl)(phenyl)methoxy]methyl}-4-hydroxyoxolan-2-yl]-6,9-dihydro-1H-purin-6-one

Zeatin Riboside

N2-Acetyl acyclovir

ACETIC ACID (2R,3R,4R,5R)-3,4-DIACETOXY-5-(2-AMINO-6-CHLORO-PURIN-9-YL)-TETRAHYDRO-FURAN-2-YLMETHYL ESTER

6-Chloro-9-(tetrahydropyran-2-yl)-9H-purine

5'-Chloro-5'-deoxyadenosine

N-(9-((2R,4S,5R)-4-Hydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-9H-purin-6-yl)benzamide hydrate

N-(9-((2R,3R,4R,5R)-3-((tert-Butyldimethylsilyl)oxy)-4-hydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-9H-purin-6-yl)benzamide

N-Benzoyl-5'-O-[bis(4-methoxyphenyl)phenylmethyl]-3'-O-[(1,1-dimethylethyl)dimethylsilyl]adenosine

8-Bromo-3-methyl-1H-purine-2,6(3H,7H)-dione

2-Chloro-9-isopropyl-N-(4-methoxybenzyl)-9H-purin-6-amine

(R)-tert-Butyl (1-(1-(2-((2-acetylphenyl)amino)-2-oxoethyl)-7-(but-2-yn-1-yl)-3-methyl-2,6-dioxo-2,3,6,7-tetrahydro-1H-purin-8-yl)piperidin-3-yl)carbamate (Linagliptin Impurity)

N-Benzyl-2-chloro-9-methyl-9H-purin-6-amine

3'-O-(tert-butyldiMethylsilyl)-2'-deoxyadenosine