Keywords: Sorivudin.svg Sorivudin 5- E -2-Bromoethenyl- 1- 2R 3S 4S 5R -3 4-dihydroxy- 5- hydroxymethyl oxolan-2-yl pyrimidin-2 4-dion Own 2007-12-22 Felix Hennersdorf Hennix hennix GFDL Cc-by-sa-3 0-migrated Pyrimidine nucleosides Pyrimidinediones Antivirals |