Acetic acid (2R,3R,4R,5S)-5-acetoxymethyl-2-(6-acetylamino-purin-9-yl)-4-(2,2,2-trifluoro-acetylamino)-tetrahydro-furan-3-yl ester

1,2,5-Tri-O-acetyl-3-trifluoracetamido-β-D-ribofuranose

1,2,5-Tri-O-acetyl-3-trifluoracetamido-α-D-ribofuranose

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