presatovir presatovir presatovir (gs-5806) is an antiviral drug which was developed as a treatment for respiratory syncytial virus. it acts as a fusion inhibitor, and has shown promising results in phase ii clinical trials. presatovirclinical datatrade namespresatovirlegal statuslegal status us: investigational new drug identifiers iupac name n--6-methylpyrazolopyrimidin-2-yl]piperidine-1-carbonyl]-4-chlorophenyl]methanesulfonamide cas number1353625-73-6pubchem cid58029842unii9628aj27jachemical and physical dataformulac24h30cln7o3smolar mass532.1 g·mol−13d model (jsmol)interactive image smiles cc1=cn2c(=cc(=n2)3ccccn3c(=o)c4=c(c=cc(=c4)cl)ns(=o)(=o)c)n=c1n5cc(c5)n inchi inchi=1s/c24h30cln7o3s/c1-15-13-32-22(27-23(15)30-10-8-17(26)14-30)12-20(28-32)21-5-3-4-9-31(21)24(33)18-11-16(25)6-7-19(18)29-36(2,34)35/h6-7,11-13,17,21,29h,3-5,8-10,14,26h2,1-2h3/t17-,21-/m0/s1key:gofxwtvkpwjngd-uwjyyqicsa-n