Benzamide, N-[1-[5-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-2,3-dideoxy-2-fluoro-3-[[(4-methoxyphenyl)diphenylmethyl]amino]-β-D-arabinofuranosyl]-1,2-dihydro-5-methyl-2-oxo-4-pyrimidinyl]-

Benzamide, N-[1-[2,3-dideoxy-2-fluoro-3-[[(4-methoxyphenyl)diphenylmethyl]amino]-β-D-arabinofuranosyl]-1,2-dihydro-5-methyl-2-oxo-4-pyrimidinyl]-

Benzamide, N-[1-[2,3-dideoxy-5-O-[(1,1-dimethylethyl)diphenylsilyl]-2-fluoro-3-[[(4-methoxyphenyl)diphenylmethyl]amino]-β-D-arabinofuranosyl]-1,2-dihydro-5-methyl-2-oxo-4-pyrimidinyl]-

2(1H)-Pyrimidinone, 4-amino-1-[2,3-dideoxy-5-O-[(1,1-dimethylethyl)diphenylsilyl]-2-fluoro-3-[[(4-methoxyphenyl)diphenylmethyl]amino]-β-D-arabinofuranosyl]-5-methyl-

2,4(1H,3H)-Pyrimidinedione, 1-[2,3-dideoxy-5-O-[(1,1-dimethylethyl)diphenylsilyl]-2-fluoro-3-[[(4-methoxyphenyl)diphenylmethyl]amino]-β-D-arabinofuranosyl]-5-methyl-

2,4(1H,3H)-Pyrimidinedione, 1-[3-amino-2,3-dideoxy-5-O-[(1,1-dimethylethyl)diphenylsilyl]-2-fluoro-β-D-arabinofuranosyl]-5-methyl-

2,4(1H,3H)-Pyrimidinedione, 1-[3-azido-2,3-dideoxy-5-O-[(1,1-dimethylethyl)diphenylsilyl]-2-fluoro-β-D-arabinofuranosyl]-5-methyl-

2,4(1H,3H)-Pyrimidinedione, 1-[3-azido-5-O-[bis(4-methoxyphenyl)phenylmethyl]-2,3-dideoxy-2-fluoro-β-D-arabinofuranosyl]-5-methyl-

(2S,3R,5R,11S)-3-[[Bis(4-methoxyphenyl)phenylmethoxy]methyl]-11-fluoro-2,3-dihydro-8-methyl-2,5-methano-5H,9H-pyrimido[2,1-b][1,5,3]dioxazepin-9-one

2,4(1H,3H)-Pyrimidinedione, 1-[5-O-[bis(4-methoxyphenyl)phenylmethyl]-2-deoxy-2-fluoro-3-O-(methylsulfonyl)-β-D-arabinofuranosyl]-5-methyl-