aprindine aprindine aprindine is a class 1b antiarrhythmic agent. aprindineclinical dataahfs/drugs.cominternational drug namesatc codec01bb04 (who) identifiers iupac name diethylamine cas number37640-71-4 ypubchem cid2218drugbankdb01429 ychemspider2132 yunii5y48085p9qkeggd02969 ychemblchembl1213033 ycomptox dashboard (epa)dtxsid3022615 chemical and physical dataformulac22h30n2molar mass322.496 g·mol−13d model (jsmol)interactive image smiles c1cccc3c1cc(n(c2ccccc2)cccn(cc)cc)c3 inchi inchi=1s/c22h30n2/c1-3-23(4-2)15-10-16-24(21-13-6-5-7-14-21)22-17-19-11-8-9-12-20(19)18-22/h5-9,11-14,22h,3-4,10,15-18h2,1-2h3 ykey:nzlbhdrpujlhce-uhfffaoysa-n y (verify)