n-t-butyltryptamine n-t-butyltryptamine n-t-butyltryptamine (ntbt) is a tryptamine derivative which has serotonergic effects. it is described by alexander shulgin as producing "a light-headed intoxication that is a totally pleasant buzz, but nothing more profound than that" at a dosage range of 5 to 20 mg, along with the related sec-butyl isomer nsbt which is similar in effects but slightly less potent. n-t-butyltryptamineidentifiers iupac name n--2-methylpropan-2-amine pubchem cid58980321chemspider109444783 ychemical and physical dataformulac14h20n2molar mass216.328 g·mol−13d model (jsmol)interactive image smiles cc(c)(c)nccc1=cnc2=cc=cc=c21 inchi inchi=1s/c14h20n2/c1-14(2,3)16-9-8-11-10-15-13-7-5-4-6-12(11)13/h4-7,10,15-16h,8-9h2,1-3h3key:idxhhisjirgwjv-uhfffaoysa-n