zenarestat zenarestat zenarestat (fk-366; fr-74366) is an aldose reductase inhibitor. it was investigated as a treatment of diabetic neuropathy and cataract, but its development was terminated. zenarestat names preferred iupac name acetic acid identifiers cas number 112733-06-9 y 3d model (jsmol) interactive image chemspider 5522 iuphar/bps 7418 kegg d03807 pubchem cid 5724 unii 180c9pj8jt y comptox dashboard (epa) dtxsid0047296 inchi inchi=1s/c17h11brclfn2o4/c18-10-2-1-9(13(20)5-10)7-22-16(25)12-4-3-11(19)6-14(12)21(17(22)26)8-15(23)24/h1-6h,7-8h2,(h,23,24)key: sxondgspuvnzlo-uhfffaoysa-ninchi=1/c17h11brclfn2o4/c18-10-2-1-9(13(20)5-10)7-22-16(25)12-4-3-11(19)6-14(12)21(17(22)26)8-15(23)24/h1-6h,7-8h2,(h,23,24)key: sxondgspuvnzlo-uhfffaoyab smiles c1=cc2=c(c=c1cl)n(c(=o)n(c2=o)cc3=c(c=c(c=c3)br)f)cc(=o)o properties chemical formula c17h11brclfn2o4 molar mass 441.64 g/mol melting point 223 to 224 °c (433 to 435 °f; 496 to 497 k) except where otherwise noted, data are given for materials in their standard state (at 25 °c , 100 kpa). infobox references