Synonyms: 6,9-Epoxy-2H,6H-pyrimido[2,1-b][1,3]oxazocin-2-one,7,8,9,10-tetrahydro-8-hydroxy-3-methyl- (6CI);6,9-Epoxy-2H,6H-pyrimido[2,1-b][1,3]oxazocin-2-one,7,8,9,10-tetrahydro-8-hydroxy-3-methyl-, [6R-(6a,8a,9a)]-; Thymidine, 2,5'-anhydro-(8CI); 2,5'-Anhydro-1-(2-deoxy-b-D-erythro-pentofuranosyl)thymine; 2,5'-Anhydrothymidine;2,5'-O-Cyclothymidine; O2,5'-Anhydrothymidine; O2,5'-Cyclothymidine