190931998(2R,3R,4S,5R)-2-(6-amino-8-azidopurin-9-yl)-5-(hydroxymethyl)oxolane-3,4-diol

1909319992-amino-9-[(2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]-8-nitro-1H-purin-6-one

1909320002-amino-9-[(2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]-1,7-dihydropurine-6,8-dione

190932001(2R,3S,5R)-5-(6-amino-8-bromopurin-9-yl)-2-(hydroxymethyl)oxolan-3-ol

1909320022-amino-8-chloro-9-[(2R,4S,5R)-4-hydroxy-5-(hydroxymethyl)oxolan-2-yl]-1H-purin-6-one

1909320033-[(2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]-6-methyl-5H-imidazo[1,2-a]purin-9-one

1909320043-[[di(propan-2-yl)amino]-[[(2S,3S,5R)-5-(5-methyl-2,4-dioxopyrimidin-1-yl)-3-(tritylamino)oxolan-2-y

190932005N-[1-[(2R,4S,5S)-5-[[2-cyanoethoxy-[di(propan-2-yl)amino]phosphanyl]oxymethyl]-4-(tritylamino)oxolan-

190932006N-[9-[(2R,4S,5S)-5-[[2-cyanoethoxy-[di(propan-2-yl)amino]phosphanyl]oxymethyl]-4-(tritylamino)oxolan-

190932007N-[9-[5-[[2-cyanoethoxy-[di(propan-2-yl)amino]phosphanyl]oxymethyl]-4-(tritylamino)oxolan-2-yl]-6-oxo

190932008N-[9-[(2R,3R,4R,5R)-5-[[bis(4-methoxyphenyl)-phenylmethoxy]methyl]-4-[2-cyanoethoxy-[di(propan-2-yl)a

1909320095-[(2S,3R,4S,5R)-5-[[bis(4-methoxyphenyl)-phenylmethoxy]methyl]-3,4-dihydroxyoxolan-2-yl]-1-methylpyr