Quazinone

This classification denotes a phosphodiesterase inhibitor with the molecular formula C11H10ClN3O, a preparation that US FDA regulates as an active ingredient or moiety under Unique Ingredient Identifier D1Q7F6C2FP, chemically known as (r)-6-chloro-1,5-dihydro-3-methylimidazo(2,1-b)quinazolin-2(3h)-one but generally known as quazinone, which bears US NIH Compound Identifier 5000. European Medicines Agency schedules Quazinone in its eXtended EudraVigilance Medicinal Product Dictionary or XEVMPD under Index SUB10189MIG. The term QUAZINONE is an International Non-Proprietary Name or INN (see WHO INN reference publication, Volume 39, No. 5, 1985, List 25). QUAZINONE is scheduled in the U.S. International Trade Commission's Harmonized Tariff System (HTS) Pharmaceutical Appendix. Most nations schedule quazinone under HS 29335995 and SITC 51576. As of Q4 2014, QUAZINONE remains the US FDA Preferred Term for this commodity. Quazinone bears US NLM identifiers UMLS ID C0072829 and NCI Concept Code C74347. SMILES: CC1C(=O)N=C2N1CC3=C(N2)C=CC=C3CL.