Xanthylium, 3,6-diamino-9-[2-carboxy-4-[[[3-[1,2,3,4-tetrahydro-1-[5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-β-D-ribofuranosyl]-2,4-dioxo-5-pyrimidinyl]-2-propen-1-yl]amino]carbonyl]phenyl]-4,5-disulfo-, inner salt

N-[4-[[(3′,6′-Dihydroxy-3-oxospiro[isobenzofuran-1(3H),9′-[9H]xanthen]-5-yl)carbonyl]amino]butyl]adenosine 5′-(trihydrogen diphosphate)

4-[9-(2-Deoxy-β-D-erythro-pentofuranosyl)-9H-purin-6-yl]-D-phenylalanine

4-(9-β-D-Ribofuranosyl-9H-purin-6-yl)-D-phenylalanine

4-[9-(2-Deoxy-β-D-erythro-pentofuranosyl)-9H-purin-6-yl]-N-[(phenylmethoxy)carbonyl]-D-phenylalanine phenylmethyl ester

4-[9-(2-Deoxy-β-D-erythro-pentofuranosyl)-9H-purin-6-yl]-N-[(phenylmethoxy)carbonyl]-L-phenylalanine phenylmethyl ester

N-[(Phenylmethoxy)carbonyl]-4-(9-β-D-ribofuranosyl-9H-purin-6-yl)-D-phenylalanine phenylmethyl ester

N-[(Phenylmethoxy)carbonyl]-4-(9-β-D-ribofuranosyl-9H-purin-6-yl)-L-phenylalanine phenylmethyl ester

4-[9-(2-Deoxy-β-D-erythro-pentofuranosyl)-9H-purin-6-yl]-L-phenylalanine

4-(9-β-D-Ribofuranosyl-9H-purin-6-yl)-L-phenylalanine

4-[9-(2-Deoxy-β-D-erythro-pentofuranosyl)-9H-purin-6-yl]-N-[(phenylmethoxy)carbonyl]-L-phenylalanine

N-[(Phenylmethoxy)carbonyl]-4-(9-β-D-ribofuranosyl-9H-purin-6-yl)-L-phenylalanine

4-[9-[2-Deoxy-3,5-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-β-D-erythro-pentofuranosyl]-9H-purin-6-yl]-N-[(phenylmethoxy)carbonyl]-D-phenylalanine phenylmethyl ester

N-[(Phenylmethoxy)carbonyl]-4-[9-[2,3,5-tris-O-[(1,1-dimethylethyl)dimethylsilyl]-β-D-ribofuranosyl]-9H-purin-6-yl]-D-phenylalanine phenylmethyl ester

4-[9-[2-Deoxy-3,5-bis-O-(4-methylbenzoyl)-β-D-erythro-pentofuranosyl]-9H-purin-6-yl]-N-[(phenylmethoxy)carbonyl]-D-phenylalanine phenylmethyl ester

N-[(Phenylmethoxy)carbonyl]-4-[9-(2,3,5-tri-O-acetyl-β-D-ribofuranosyl)-9H-purin-6-yl]-D-phenylalanine phenylmethyl ester

4-[9-[2-Deoxy-3,5-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-β-D-erythro-pentofuranosyl]-9H-purin-6-yl]-N-[(phenylmethoxy)carbonyl]-L-phenylalanine phenylmethyl ester

N-[(Phenylmethoxy)carbonyl]-4-[9-[2,3,5-tris-O-[(1,1-dimethylethyl)dimethylsilyl]-β-D-ribofuranosyl]-9H-purin-6-yl]-L-phenylalanine phenylmethyl ester

4-[9-[2-Deoxy-3,5-bis-O-(4-methylbenzoyl)-β-D-erythro-pentofuranosyl]-9H-purin-6-yl]-N-[(phenylmethoxy)carbonyl]-L-phenylalanine phenylmethyl ester

N-[(Phenylmethoxy)carbonyl]-4-[9-(2,3,5-tri-O-acetyl-β-D-ribofuranosyl)-9H-purin-6-yl]-L-phenylalanine phenylmethyl ester