corbadrine corbadrine corbadrine (inn; marketed as neo-cobefrine), also known as levonordefrin (usan) and α-methylnorepinephrine, is a catecholamine sympathomimetic used as a topical nasal decongestant and vasoconstrictor in dentistry in the united states, (usually in a pre-mixed solution with local anesthetics, such as mepivacaine). corbadrineclinical dataatc codenonelegal statuslegal status in general: ℞ (prescription only) identifiers iupac name 4-benzene-1,2-diol cas number829-74-3 ypubchem cid164739iuphar/bps508drugbankdb06707 ychemspider144416 yuniiv008l6478dkeggd02388 ychemblchembl677 ycomptox dashboard (epa)dtxsid6046349 echa infocard100.113.606 chemical and physical dataformulac9h13no3molar mass183.207 g·mol−13d model (jsmol)interactive image smiles oc1ccc(cc1o)(o)(n)c inchi inchi=1s/c9h13no3/c1-5(10)9(13)6-2-3-7(11)8(12)4-6/h2-5,9,11-13h,10h2,1h3/t5-,9-/m0/s1 ykey:gefqwzlicwmtkf-cducuwfysa-n y ny (what is this?) (verify) corbadrine is also a metabolite of the antihypertensive drug methyldopa, and plays a role in its pharmacology and effects.