benzobarbital benzobarbital benzobarbital (benzonal) is a barbiturate derivative. it has anticonvulsant effects and has been used for the treatment of epilepsy. benzobarbitalclinical dataother namesbenzonalatc codenoneidentifiers iupac name 1-benzoyl-5-ethyl-5-phenyl-1,3-diazinane-2,4,6-trione cas number744-80-9 ypubchem cid12938chemspider12402 yuniiynj78bd0ahchemblchembl1338506 ncomptox dashboard (epa)dtxsid1046138 chemical and physical dataformulac19h16n2o4molar mass336.347 g·mol−13d model (jsmol)interactive image smiles ccc1(c(=o)nc(=o)n(c1=o)c(=o)c2=cc=cc=c2)c3=cc=cc=c3 inchi inchi=1s/c19h16n2o4/c1-2-19(14-11-7-4-8-12-14)16(23)20-18(25)21(17(19)24)15(22)13-9-5-3-6-10-13/h3-12h,2h2,1h3,(h,20,23,25) ykey:qmowpjifthvqmb-uhfffaoysa-n y ny (what is this?) (verify) it has similar liver enzyme inducing effects to the closely related drug phenobarbital, which may be exploited in some clinical applications.