5'-O-(tert-butyl-diphenylsilyl)-3'-(N-tert-butyloxycarbonyl-L-phenylalanyl-amido)-3'-deoxy-6-N,6-N,2'-O-tribenzoyl-adenosine

Toluene-4-sulfonic acid (2R,3R,4R,5S)-4-amino-2-(6-amino-purin-9-yl)-5-(hydroxy-phosphonomethyl-phosphinoyloxymethyl)-tetrahydro-furan-3-yl ester

(4aR)-6t-(6-amino-purin-9-yl)-2-oxo-(4ar,7ac)-hexahydro-2λ5-furo[3,2-d][1,3,2]oxazaphosphinine-2,7c-diol

tert-butyl ((2S,3S,4R,5R)-5-(6-amino-9H-purin-9-yl)-4-hydroxy-2-(((hydroxy(phosphonooxy)phosphoryl)oxy)methyl)tetrahydrofuran-3-yl)carbamate

6-Chlor-9-(2,5-di-O-acetyl-3-desoxy-3-trifluoracetamido-β-D-ribofuranosyl)purin