Cromakalim or levcromakalim

This classification denotes an antihypertensive agent with the molecular formula C16H18N2O3, a preparation that US FDA regulates as an active ingredient or moiety under Unique Ingredient Identifier 0G4X367WA3, chemically known as 2h-1-benzopyran-6-carbonitrile, 3,4-dihydro-3-hydroxy-2,2-dimethyl-4-(2-oxo-1-pyrrolidinyl)-, trans-(+-)- but generally known as cromakalim, which bears US NIH Compound Identifier 71191. European Medicines Agency schedules Cromakalim in its eXtended EudraVigilance Medicinal Product Dictionary or XEVMPD under Index SUB06822MIG. The term CROMAKALIM is an International Non-Proprietary Name or INN (see WHO INN reference publication, Volume 2, No. 3, 1988, List 28). CROMAKALIM is scheduled in the U.S. International Trade Commission's Harmonized Tariff System (HTS) Pharmaceutical Appendix. Cromakalim or levcromakalim bears US NLM identifiers UMLS ID C0056506 and NCI Concept Code C79109. SMILES: O1C(C(O)C(N2CCCC2=O)c2c1ccc(c2)C#N)(C)C.