trional trional trional (methylsulfonal) is a sedative-hypnotic and anesthetic drug with gabaergic actions. it has similar effects to sulfonal, except it is faster acting. trionalclinical dataatc codenonelegal statuslegal status us: schedule iii identifiers iupac name 2,2-bis(ethylsulfonyl)butane cas number76-20-0 npubchem cid6433chemspider6193 yunii217727w28wcomptox dashboard (epa)dtxsid7046411 echa infocard100.000.858 chemical and physical dataformulac8h18o4s2molar mass242.35 g·mol−13d model (jsmol)interactive image smiles ccc(c)(s(=o)(=o)cc)s(=o)(=o)cc inchi inchi=1s/c8h18o4s2/c1-5-8(4,13(9,10)6-2)14(11,12)7-3/h5-7h2,1-4h3 ykey:lkacjluujrmgfk-uhfffaoysa-n y ny (what is this?) (verify) history trional was prepared and introduced by eugen baumann and alfred kast in 1888. appeared in agatha christie's "murder on the orient express", "and then there were none" and other novels such as john bude's “the lake district murder” as a sleep inducing sedative, and in in search of lost time (sodom and gomorrah) by marcel proust as a hypnotic. sax rohmer also references trional in his novel dope.