capravirine capravirine capravirine was a non-nucleoside reverse transcriptase inhibitor which reached phase ii trials before development was discontinued by pfizer. both phase iib trials which were conducted failed to demonstrate that therapy with capravirine provided any significant advantage over existing triple-drug hiv therapies, and pharmacology studies showed that capravirine may interact with other hiv drugs. capravirine names preferred iupac name methyl carbamate identifiers cas number 178979-85-6 y 3d model (jsmol) interactive image chembl chembl435128 n chemspider 1717 n pubchem cid 1783 unii vhc779598x n comptox dashboard (epa) dtxsid30170689 inchi inchi=1s/c20h20cl2n4o2s/c1-12(2)18-19(29-16-8-14(21)7-15(22)9-16)26(10-13-3-5-24-6-4-13)17(25-18)11-28-20(23)27/h3-9,12h,10-11h2,1-2h3,(h2,23,27) nkey: yqxcvagcmnfumq-uhfffaoysa-n ninchi=1/c20h20cl2n4o2s/c1-12(2)18-19(29-16-8-14(21)7-15(22)9-16)26(10-13-3-5-24-6-4-13)17(25-18)11-28-20(23)27/h3-9,12h,10-11h2,1-2h3,(h2,23,27)key: yqxcvagcmnfumq-uhfffaoyap smiles o=c(occ2nc(c(sc1cc(cl)cc(cl)c1)n2cc3ccncc3)c(c)c)n properties chemical formula c20h20cl2n4o2s molar mass 451.37 g/mol except where otherwise noted, data are given for materials in their standard state (at 25 °c , 100 kpa). n verify (what is yn ?) infobox references