nebracetam nebracetam nebracetam is an investigational drug of the racetam family that is a m1 acetylcholine receptor agonist in rats. its effects in humans have not been studied. nebracetamclinical dataatc codenonelegal statuslegal status au: s4 (prescription only) us: unscheduled not fda approved identifiers iupac name (rs)-4-(aminomethyl)-1-benzylpyrrolidin-2-one cas number97205-34-0 ypubchem cid65926chemspider59334 yuniit30038qi8nchemblchembl2104682 nchemical and physical dataformulac12h16n2omolar mass204.273 g·mol−13d model (jsmol)interactive imagechiralityracemic mixture smiles o=c2n(cc1ccccc1)cc(c2)cn inchi inchi=1s/c12h16n2o/c13-7-11-6-12(15)14(9-11)8-10-4-2-1-3-5-10/h1-5,11h,6-9,13h2 ykey:lcafgjgycumtgs-uhfffaoysa-n y ny (what is this?) (verify)