crl-40,940 crl-40,940 crl-40,940 (also known as flmodafinil, bisfluoromodafinil and lauflumide) is the bisfluoro analog of modafinil. it is a eugeroic as well as a weak dopamine reuptake inhibitor. its inventors claim that it is more effective than modafinil and adrafinil, with fewer side effects. it was patented in 2013, and pre-clinical trials have been underway since december 2015. crl-40,940identifiers iupac name (2-amino-2-oxoethyl)sulfoniumolate cas number90280-13-0pubchem cid13271852chemspider26386803unii174r2ig4t0comptox dashboard (epa)dtxsid00533646 chemical and physical dataformulac15h13f2no2smolar mass309.33 g·mol−13d model (jsmol)interactive image smiles c1=cc(=cc=c1c(c2=cc=c(c=c2)f)s(=o)cc(=o)n)f inchi inchi=1s/c15h13f2no2s/c16-12-5-1-10(2-6-12)15(21(20)9-14(18)19)11-3-7-13(17)8-4-11/h1-8,15h,9h2,(h2,18,19)key:yeaqnumcwmrymu-uhfffaoysa-n