as-19 (drug) as-19 (drug) as-19 is a substance which acts as a potent agonist at the 5-ht7 receptor, with an ic50 of 0.83nm. it reverses the amnesia induced by drugs such as scopolamine and dizocilpine and improves long-term memory acquisition, but inhibits short-term memory formation. as-19identifiers iupac name (2s)-n,n-dimethyl-5-(1,3,5-trimethylpyrazol-4-yl)-1,2,3,4-tetrahydronaphthalen-2-amine cas number1000578-26-6 ypubchem cid23642275chemspider24605931 yuniila5aq5r6qschemblchembl2164327chemical and physical dataformulac18h25n3molar mass283.419 g·mol−13d model (jsmol)interactive image smiles cc1=c(c(=nn1c)c)c2=c3cc(cc3=cc=c2)n(c)c inchi inchi=1s/c18h25n3/c1-12-18(13(2)21(5)19-12)17-8-6-7-14-11-15(20(3)4)9-10-16(14)17/h6-8,15h,9-11h2,1-5h3/t15-/m0/s1 ykey:bttoyokcldahho-hnnxbmfysa-n y (verify)