7-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-3-deoxy-β-D-erythro-pentofuranosyl]-5-fluoro-3,7-dihydro-4H-pyrrolo[2,3-d]pyrimidin-4-one

N-[9-[(2R,5S,7R,8R,12aR,14R,15R,15aR)-7-[1,6-Dihydro-2-[(2-methyl-1-oxopropyl)amino]-6-oxo-9H-purin-9-yl]-15-fluorodecahydro-2-mercapto-2,10,10-trioxido-5,8-methanofuro[2,3-m]-1,3,6,9,10,11,2-tetraoxathiaazaphosphacyclotetradecin-14-yl]-9H-purin-6-yl]benzamide

N-[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]-6,9-dihydro-6-oxo-1H-purin-2-yl]-2-methylpropanamide