phensuximide phensuximide phensuximide is an anticonvulsant in the succinimide class. phensuximideclinical datamedlineplusa682237atc coden03ad02 (who) pharmacokinetic dataprotein binding21%identifiers iupac name 1-methyl-3-phenyl-pyrrolidine-2,5-dione cas number86-34-0 ypubchem cid6839iuphar/bps7612drugbankdb00832 ychemspider6578 yunii6wvl9c355gkeggd00508 ychemblchembl797 ycomptox dashboard (epa)dtxsid4023460 echa infocard100.001.513 chemical and physical dataformulac11h11no2molar mass189.214 g·mol−13d model (jsmol)interactive image smiles o=c2n(c(=o)cc2c1ccccc1)c inchi inchi=1s/c11h11no2/c1-12-10(13)7-9(11(12)14)8-5-3-2-4-6-8/h2-6,9h,7h2,1h3 ykey:wlwfnjkhkgijnw-uhfffaoysa-n y (verify)