Benzamide, 9-[2-deoxy-2-fluoro-3,5-bis-O-(hydroxymercaptophosphinyl)-β-D-ribofuranosyl]-, cyclic diester with N-[9-[(1R,2R,3S)-2,3-bis(hydroxymethyl)cyclobutyl]-9H-purin-6-yl]benzamide

Benzamide, N-[9-[5-O-[[[(1R,2R,4S)-2-[6-(benzoylamino)-9H-purin-9-yl]-4-(hydroxymethyl)cyclobutyl]methoxy]mercaptophosphinyl]-2-deoxy-2-fluoro-β-D-arabinofuranosyl]-9H-purin-6-yl]-

Benzamide, N-[9-[5-O-[[[(1R,2R,4S)-2-[6-(benzoylamino)-9H-purin-9-yl]-4-[[[(1,1-dimethylethyl)diphenylsilyl]oxy]methyl]cyclobutyl]methoxy]mercaptophosphinyl]-2-deoxy-3-O-[(1,1-dimethylethyl)diphenylsilyl]-2-fluoro-β-D-arabinofuranosyl]-9H-purin-6-yl]-

Benzamide, N-[9-[2-deoxy-3-O-[(1,1-dimethylethyl)diphenylsilyl]-2-fluoro-5-O-[(3aR,5S,7aR)-hexahydro-7a-methyl-5-(1-methylethenyl)-2-sulfido-1,3,2-benzoxathiaphosphol-1-yl]-β-D-arabinofuranosyl]-9H-purin-6-yl]-

Benzamide, N-[9-[2-deoxy-3-O-[(1,1-dimethylethyl)diphenylsilyl]-2-fluoro-β-D-arabinofuranosyl]-9H-purin-6-yl]-

Benzamide, N-[9-[5-O-[bis(4-methoxyphenyl)phenylmethyl]-2-deoxy-3-O-[(1,1-dimethylethyl)diphenylsilyl]-2-fluoro-β-D-arabinofuranosyl]-9H-purin-6-yl]-