L-Alanine, N,N′-phosphinicobis-, 1,1′-bis(phenylmethyl) ester, 5′-ester with 9-β-D-arabinofuranosyl-2-fluoro-9H-purin-6-amine

L-Alanine, N,N′-phosphinicobis-, 1,1′-bis(2,2-dimethylpropyl) ester, 5′-ester with 9-β-D-arabinofuranosyl-2-fluoro-9H-purin-6-amine

3-[2-(9-Anthracenyl)ethynyl]-1-(2-deoxy-β-D-erythro-pentofuranosyl)-5-methyl-2(1H)-pyridinone

1-(2-Deoxy-β-D-erythro-pentofuranosyl)-5-methyl-3-(2-phenylethynyl)-2(1H)-pyridinone

3-[2-(9-Anthracenyl)ethynyl]-1-[5-O-[bis(4-methoxyphenyl)phenylmethyl]-3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-2-deoxy-β-D-erythro-pentofuranosyl]-5-methyl-2(1H)-pyridinone

1-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-2-deoxy-β-D-erythro-pentofuranosyl]-5-methyl-3-(2-phenylethynyl)-2(1H)-pyridinone

3-[2-(9-Anthracenyl)ethynyl]-1-[5-O-[bis(4-methoxyphenyl)phenylmethyl]-2-deoxy-β-D-erythro-pentofuranosyl]-5-methyl-2(1H)-pyridinone