Dextrorphan

(+)-3-Hydroxy-17-methylmorphinan, 1,3,4,9,10,10a-Hexahydro-6-hydroxy-2H-10,4a-(iminoethano)-11-methylphenanthrene|(4bR,8aS,9R)-11-Methyl-6,7,8,8a,9,10-hexahydro-5H-9,4b-(epiminoethano)phenanthren-3-ol|125-73-5;|Dextromethorphan EP Impurity B|SCHEMBL3495833;