2-Amino-9-[(2S,5R,7R,8R,12aR,14R,15R,15aR,16R)-15-fluorodecahydro-2-mercapto-2,10,10-trioxido-14-(9H-purin-9-yl)-16-(2,2,2-trifluoroethoxy)-5,8-methanofuro[2,3-m]-1,3,6,9,10,11,2-tetraoxathiaazaphosphacyclotetradecin-7-yl]-1,9-dihydro-6H-purin-6-one

2-Amino-9-[(2R,5R,7R,8R,12aR,14R,15R,15aR,16R)-15-fluorodecahydro-2-mercapto-2,10,10-trioxido-14-(9H-purin-9-yl)-16-(2,2,2-trifluoroethoxy)-5,8-methanofuro[2,3-m]-1,3,6,9,10,11,2-tetraoxathiaazaphosphacyclotetradecin-7-yl]-1,9-dihydro-6H-purin-6-one

2-Amino-9-[(5S,7R,8R,12aS,14R,15aS)-14-(6-amino-9H-purin-9-yl)decahydro-10-mercapto-2,2,10-trioxido-5,8-methanofuro[3,2-l][1,3,6,9,10,11,2]tetraoxathiaazaphosphacyclotetradecin-7-yl]-1,9-dihydro-6H-purin-6-one

2-Amino-9-[(5R,7R,8S,12aR,14R,15R,15aR,16R)-15,16-difluorodecahydro-2-mercapto-2,10,10-trioxido-14-(9H-purin-9-yl)-5,8-methanofuro[2,3-m]-1,3,6,9,10,11,2-tetraoxathiaazaphosphacyclotetradecin-7-yl]-1,9-dihydro-6H-purin-6-one

2-Amino-9-[(5S,7R,8R,12aR,14R,15aS)-14-(6-amino-9H-purin-9-yl)octahydro-10-hydroxy-2,2,10-trioxido-5,8-methano-3H,12H-furo[2,3-m]-1,6,9,11,2,3,10-tetraoxathiaazaphosphacyclotetradecin-7-yl]-1,9-dihydro-6H-purin-6-one

2-Amino-9-[(5S,7R,8R,12aR,14R,15aS)-decahydro-2-mercapto-2,10,10-trioxido-14-(3H-1,2,3-triazolo[4,5-d]pyrimidin-3-yl)-5,8-methano-11H-cyclopenta[m]-1,3,6,9,10,11,2-tetraoxathiaazaphosphacyclotetradecin-7-yl]-1,9-dihydro-6H-purin-6-one

2-Amino-9-[(5S,7R,8R,12aR,14R,15aS)-14-(6-amino-9H-purin-9-yl)decahydro-2-mercapto-2,10,10-trioxido-5,8-methanofuro[2,3-m]-1,3,6,9,10,11,2-tetraoxathiaazaphosphacyclotetradecin-7-yl]-1,9-dihydro-6H-purin-6-one

2-Amino-9-[(5S,7R,8R,10R,12aR,14R,15aS)-14-(6-amino-9H-purin-9-yl)octahydro-10-mercapto-2,2,10-trioxido-5,8-methano-3H,12H-furo[2,3-m]-1,6,9,11,2,3,10-tetraoxathiaazaphosphacyclotetradecin-7-yl]-1,9-dihydro-6H-purin-6-one

2-Amino-9-[(5S,7R,8R,10S,12aR,14R,15aS)-14-(6-amino-9H-purin-9-yl)octahydro-10-mercapto-2,2,10-trioxido-5,8-methano-3H,12H-furo[2,3-m]-1,6,9,11,2,3,10-tetraoxathiaazaphosphacyclotetradecin-7-yl]-1,9-dihydro-6H-purin-6-one

2-Amino-9-[(5S,7R,8R,12aR,14R,15aS)-decahydro-2-mercapto-2,10,10-trioxido-14-(4-pyrimidinyloxy)-5,8-methano-11H-cyclopenta[m]-1,3,6,9,10,11,2-tetraoxathiaazaphosphacyclotetradecin-7-yl]-1,9-dihydro-6H-purin-6-one

1-[5-O-[(S)-[[[(1-Methylethoxy)carbonyl]oxy]methoxy][2-(octadecyloxy)ethoxy]phosphinyl]-β-D-ribofuranosyl]-1H-1,2,4-triazole-3-carboxamide

1-[5-O-[(R)-[[[(1-Methylethoxy)carbonyl]oxy]methoxy][2-(octadecyloxy)ethoxy]phosphinyl]-β-D-ribofuranosyl]-1H-1,2,4-triazole-3-carboxamide