2c-t-3 2c-t-3 2c-t-3 (also initially numbered as 2c-t-20) is a lesser-known psychedelic drug related to compounds such as 2c-t-7 and 2c-t-16. it was named by alexander shulgin but was never made or tested by him, and was instead first synthesised by daniel trachsel some years later. it has a binding affinity of 11nm at 5-ht2a and 40nm at 5-ht2c. it is reportedly a potent psychedelic drug with an active dose in the 15–40 mg range, and a duration of action of 8–14 hours, with visual effects comparable to related drugs such as methallylescaline. 2c-t-3 names preferred iupac name 2-ethan-1-amine identifiers cas number 648957-40-8 3d model (jsmol) interactive image pubchem cid 12063255 inchi inchi=1s/c14h21no2s/c1-10(2)9-18-14-8-12(16-3)11(5-6-15)7-13(14)17-4/h7-8h,1,5-6,9,15h2,2-4h3key: jcduudqzkixjjp-uhfffaoysa-n smiles cc(=c)csc1=c(c=c(c(=c1)oc)ccn)oc properties chemical formula c14h21no2s molar mass 267.39 g·mol−1 except where otherwise noted, data are given for materials in their standard state (at 25 °c , 100 kpa). infobox references