azumolene azumolene azumolene is an experimental drug which is a derivative of dantrolene. in animal studies, azumolene showed similar efficacy to dantrolene at controlling symptoms of malignant hyperthermia but with better water solubility and lower toxicity, albeit with lower potency. azumoleneidentifiers iupac name 1-methylideneamino]imidazolidine-2,4-dione cas number64748-79-4pubchem cid9568620chemspider7843329unii5u7io9cv80chebichebi:143225chemblchembl315108chemical and physical dataformulac13h9brn4o3molar mass349.144 g·mol−13d model (jsmol)interactive image smiles c1c(=o)nc(=o)n1/n=c/c2=nc=c(o2)c3=cc=c(c=c3)br inchi inchi=1s/c13h9brn4o3/c14-9-3-1-8(2-4-9)10-5-15-12(21-10)6-16-18-7-11(19)17-13(18)20/h1-6h,7h2,(h,17,19,20)/b16-6+key:segcngonczqfdw-omciszlksa-n