. "C1453933" . "telbivudine"@en . . "telbivudin"@en . . "1-(2-deoxy-beta-L-erythropentafuranosyl)-5-methyl-2,4(1H,3H)-pyrimidinedione"@en . "C487779" . . . . . . "telbivudine"@en . "beta-L-2'-deoxythymidine"@en .