ethyltrifluoromethylaminoindane ethyltrifluoromethylaminoindane n-ethyl-5-trifluoromethyl-2-aminoindane (etai) is a psychoactive drug and research chemical with putative entactogenic effects. it functions as a selective serotonin releasing agent (ssra). etai is the aminoindane analogue of fenfluramine and is approximately 50% as neurotoxic in comparison. ethyltrifluoromethylaminoindaneidentifiers iupac name n-ethyl-5-(trifluoromethyl)-2,3-dihydro-1h-inden-2-amine cas number205652-94-4 npubchem cid10331389chemspider8506849 nuniisu92gom6pichemical and physical dataformulac12h14f3nmolar mass229.246 g·mol−13d model (jsmol)interactive image smiles ccnc1cc2=c(c1)c=c(c=c2)c(f)(f)f inchi inchi=1s/c12h14f3n/c1-2-16-11-6-8-3-4-10(12(13,14)15)5-9(8)7-11/h3-5,11,16h,2,6-7h2,1h3 nkey:phtxvqqrwjxypp-uhfffaoysa-n n ny (what is this?) (verify)