alovudine alovudine alovudine (fluorothymidine) is an antiviral agent which was being developed by medivir. it was discontinued after a phase ii trial in 2005 due to toxicity. it is a dna polymerase inhibitor. alovudineclinical dataother namesfluorothymidineatc codenoneidentifierscas number25526-93-6 npubchem cid33039chemspider30578 yuniipg53r0dwdqkeggd02830 ychemblchembl105318 ycomptox dashboard (epa)dtxsid4046579 chemical and physical dataformulac10h13fn2o4molar mass244.222 g·mol−13d model (jsmol)interactive image smiles o=c/1nc(=o)n(\c=c\1c)2o((f)c2)co inchi inchi=1s/c10h13fn2o4/c1-5-3-13(10(16)12-9(5)15)8-2-6(11)7(4-14)17-8/h3,6-8,14h,2,4h2,1h3,(h,12,15,16)/t6-,7+,8+/m0/s1 ykey:uxcaqjaqswsnpq-xlpzgreqsa-n y ny (what is this?) (verify)