9H-Purine, 2-chloro-9-[5-O-(1,1-dicarboxy-2-phenylethyl)-3-C-ethynyl-β-D-ribofuranosyl]-6-[1-[(4-methylphenyl)sulfonyl]-1H-pyrazol-4-yl]-

Adenosine, 2-chloro-5′-O-[1,1-dicarboxy-2-(1H-pyrazol-3-yl)ethyl]-3′-C-ethynyl-

3H-Imidazo[4,5-b]pyridin-7-amine, 5-chloro-3-[5-O-[1,1-dicarboxy-2-[4-(tetrahydro-2-oxo-1(2H)-pyrimidinyl)phenyl]ethyl]-3-C-ethynyl-β-D-ribofuranosyl]-

3H-Imidazo[4,5-b]pyridin-7-amine, 5-chloro-3-[5-O-[1,1-dicarboxy-2-[4-(tetrahydro-2-oxo-1(2H)-pyrimidinyl)phenyl]ethyl]-3-C-ethynyl-β-D-ribofuranosyl]-N-[(2,4-dimethoxyphenyl)methyl]-

Adenosine, 2-chloro-5′-O-[1,1-dicarboxy-2-[4-[[2-[(carboxymethyl)methylamino]ethyl]amino]phenyl]ethyl]-3′-C-ethynyl-

Adenosine, 2-chloro-5′-O-[1,1-dicarboxy-2-[4-(4-methyl-2-oxo-1-piperazinyl)phenyl]ethyl]-3′-C-ethynyl-

Adenosine, 2-chloro-5′-O-[1,1-dicarboxy-2-[4-(tetrahydro-2-oxo-3-propyl-1(2H)-pyrimidinyl)phenyl]ethyl]-3′-C-ethynyl-

Adenosine, 2-chloro-5′-O-[1,1-dicarboxy-2-[4-(tetrahydro-3-methyl-2-oxo-1(2H)-pyrimidinyl)phenyl]ethyl]-3′-C-ethynyl-N-(1-methylethyl)-

Adenosine, 2-chloro-N-(cyclopropylmethyl)-5′-O-[1,1-dicarboxy-2-[4-(tetrahydro-3-methyl-2-oxo-1(2H)-pyrimidinyl)phenyl]ethyl]-3′-C-ethynyl-

Adenosine, 2-chloro-5′-O-[1,1-dicarboxy-2-[4-(tetrahydro-3-methyl-2-oxo-1(2H)-pyrimidinyl)phenyl]ethyl]-3′-C-ethynyl-

Adenosine, 2-chloro-5′-O-[1,1-dicarboxy-2-[4-(tetrahydro-3-methyl-2-oxo-1(2H)-pyrimidinyl)phenyl]ethyl]-3′-C-ethynyl-N-methyl-

Adenosine, 2-chloro-5′-O-[1,1-dicarboxy-2-[4-(1,2-dihydro-2-oxo-3-pyridinyl)phenyl]ethyl]-3′-C-ethynyl-N-methyl-

Adenosine, 2-chloro-5′-O-[1,1-dicarboxy-2-[4-[1,2-dihydro-1-(2-methoxyethyl)-2-oxo-3-pyridinyl]phenyl]ethyl]-3′-C-ethynyl-

Adenosine, 5′-O-(1,1-dicarboxy-2-phenylethyl)-2-(ethylthio)-3′-C-ethynyl-

Adenosine, 2-chloro-5′-O-[1,1-dicarboxy-2-[4-(1-pyrrolidinyl)phenyl]ethyl]-3′-C-ethynyl-

Adenosine, 2-chloro-5′-O-[1,1-dicarboxy-2-(5-thiazolyl)ethyl]-3′-C-ethynyl-

Adenosine, 2-chloro-5′-O-[1,1-dicarboxy-2-(2-thiazolyl)ethyl]-3′-C-ethynyl-

Adenosine, 2-chloro-5′-O-[1,1-dicarboxy-2-[4-(tetrahydro-2-oxo-1(2H)-pyrimidinyl)phenyl]ethyl]-3′-C-ethynyl-N-methyl-

Adenosine, 2-chloro-5′-O-[1,1-dicarboxy-2-[4-(tetrahydro-2-oxo-1(2H)-pyrimidinyl)phenyl]ethyl]-3′-C-ethynyl-N-(1-methylethyl)-

Adenosine, 2-chloro-5′-O-[1,1-dicarboxy-2-[4-[tetrahydro-3-(2-hydroxyethyl)-2-oxo-1(2H)-pyrimidinyl]phenyl]ethyl]-3′-C-ethynyl-N-(1-methylethyl)-