Levallorphan

This classification denotes an opiate antagonist with the molecular formula C19H25NO, a preparation that US FDA regulates as an active ingredient or moiety under Unique Ingredient Identifier 353613BU4U, chemically known as morphinan-3-ol, 17-(2-propenyl)- but generally known as levallorphan, which bears US NIH Compound Identifier 3912. European Medicines Agency schedules Levallorphan in its eXtended EudraVigilance Medicinal Product Dictionary or XEVMPD under Index SUB08452MIG. The term LEVALLORPHAN is an International Non-Proprietary Name. LEVALLORPHAN is scheduled in the U.S. International Trade Commission's Harmonized Tariff System (HTS) Pharmaceutical Appendix. Most nations schedule levallorphan under HS 29334990 and SITC 51575. As of Q4 2014, LEVALLORPHAN remains the US FDA Preferred Term for this commodity. Levallorphan bears US NLM identifiers UMLS ID C0023554 and NCI Concept Code C66004. SMILES: OC1CC2C34C(C(N(CC3)CC=C)CC2CC1)CCCC4.