nizofenone nizofenone nizofenone (ekonal, midafenone) is a neuroprotective drug which protects neurons from death following cerebral anoxia (interruption of oxygen supply to the brain). it might thus be useful in the treatment of acute neurological conditions such as stroke. nizofenoneclinical dataahfs/drugs.cominternational drug namesatc coden06bx10 (who) identifiers iupac name (2-chlorophenyl)(2--5-nitrophenyl)methanone cas number54533-85-6pubchem cid4514chemspider4357 yunii7a2noc3r88comptox dashboard (epa)dtxsid5048637 chemical and physical dataformulac21h21cln4o3molar mass412.87 g·mol−13d model (jsmol)interactive image smiles clc1ccccc1c(=o)c3cc(()=o)ccc3n2ccnc2cn(cc)cc inchi inchi=1s/c21h21cln4o3/c1-3-24(4-2)14-20-23-11-12-25(20)19-10-9-15(26(28)29)13-17(19)21(27)16-7-5-6-8-18(16)22/h5-13h,3-4,14h2,1-2h3 ykey:wzgbzlhgovjdet-uhfffaoysa-n y (verify)