Nifekalant (INN) is a class III antiarrhythmic agent approved in Japan for the treatment of arrhythmias and ventricular tachycardia. It has the brand name Shinbit.
via PubMed
{{Drugbox | verifiedrevid = 444386935 | IUPAC_name = 6-[(2-{(2-hydroxyethyl)[3-(4-nitrophenyl)propyl]amino}ethyl)amino]-1,3-dimethylpyrimidine-2,4(1H,3H)-dione | image = Nifekalant.png | image_class = skin-invert-image
| tradename = | Drugs.com = | pregnancy_AU = | pregnancy_US = | pregnancy_category = | legal_AU = | legal_CA = | legal_UK = | legal_US = | legal_status = Rx-only | routes_of_administration = IV
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).