1H-Imidazo[2,1-b]purin-4(5H)-one, 1-[2-deoxy-2-fluoro-3-O-[(R)-hydroxymercaptophosphinyl]-5-O-[(S)-hydroxymercaptophosphinyl]-β-D-ribofuranosyl]-, cyclic diester with 9-[(1R,2R,3S)-2,3-bis(hydroxymethyl)cyclobutyl]-9H-purin-6-amine

1H-Imidazo[2,1-b]purin-4(5H)-one, 1-[2-deoxy-2-fluoro-3,5-bis-O-[(S)-hydroxymercaptophosphinyl]-β-D-ribofuranosyl]-, cyclic diester with 9-[(1R,2R,3S)-2,3-bis(hydroxymethyl)cyclobutyl]-9H-purin-6-amine

1H-Imidazo[2,1-b]purin-4(5H)-one, 1-[2-deoxy-2-fluoro-5-O-[(R)-hydroxymercaptophosphinyl]-3-O-[(S)-hydroxymercaptophosphinyl]-β-D-ribofuranosyl]-, cyclic diester with 9-[(1R,2R,3S)-2,3-bis(hydroxymethyl)cyclobutyl]-9H-purin-6-amine

1H-Imidazo[2,1-b]purin-4(5H)-one, 1-[2-deoxy-2-fluoro-3,5-bis-O-[(R)-hydroxymercaptophosphinyl]-β-D-ribofuranosyl]-, cyclic diester with 9-[(1R,2R,3S)-2,3-bis(hydroxymethyl)cyclobutyl]-9H-purin-6-amine

7H-Pyrrolo[2,3-d]pyrimidin-4-amine, 7-[2-deoxy-2-fluoro-3-O-[(R)-hydroxymercaptophosphinyl]-5-O-[(S)-hydroxymercaptophosphinyl]-β-D-arabinofuranosyl]-, cyclic diester with 9-[(1R,2R,3S)-2,3-bis(hydroxymethyl)cyclobutyl]-9H-purin-6-amine

7H-Pyrrolo[2,3-d]pyrimidin-4-amine, 7-[2-deoxy-2-fluoro-3,5-bis-O-[(S)-hydroxymercaptophosphinyl]-β-D-arabinofuranosyl]-, cyclic diester with 9-[(1R,2R,3S)-2,3-bis(hydroxymethyl)cyclobutyl]-9H-purin-6-amine

7H-Pyrrolo[2,3-d]pyrimidin-4-amine, 7-[2-deoxy-2-fluoro-5-O-[(R)-hydroxymercaptophosphinyl]-3-O-[(S)-hydroxymercaptophosphinyl]-β-D-arabinofuranosyl]-, cyclic diester with 9-[(1R,2R,3S)-2,3-bis(hydroxymethyl)cyclobutyl]-9H-purin-6-amine

7H-Pyrrolo[2,3-d]pyrimidin-4-amine, 7-[2-deoxy-2-fluoro-3,5-bis-O-[(R)-hydroxymercaptophosphinyl]-β-D-arabinofuranosyl]-, cyclic diester with 9-[(1R,2R,3S)-2,3-bis(hydroxymethyl)cyclobutyl]-9H-purin-6-amine

7H-Pyrrolo[2,3-d]pyrimidine, 4-chloro-7-[2-deoxy-2-fluoro-3-O-[(R)-hydroxymercaptophosphinyl]-5-O-[(S)-hydroxymercaptophosphinyl]-β-D-arabinofuranosyl]-, cyclic diester with 9-[(1R,2R,3S)-2,3-bis(hydroxymethyl)cyclobutyl]-9H-purin-6-amine