has role has role has functional parent is enantiomer of levomethorphan L-3-methoxy-17-methylmorphinan 0 CAS:125-70-2 271.404 C18H25NO L-methorphan levomethorphanum (4aR,10R,10aR)-6-methoxy-11-methyl-1,3,4,9,10,10a-hexahydro-2H-10,4a-(epiminoethano)phenanthrene levomethorphane PMID:26226106 PMID:29131506 CHEBI:146176 (-)-3-methoxy-17-methylmorphinan 3-methoxy-17-methylmorphinan A 6-methoxy-11-methyl-1,3,4,9,10,10a-hexahydro-2H-10,4a-(epiminoethano)phenanthrene in which the stereocenters at positions 4a, 10 and 10a have R-configuration. It is a prodrug of levorphanol and a strong narcotic analgesic, and listed as a schedule II controlled substance. (-)-3-methoxy-N-methylmorphinan levometorfano levomethorphan MKXZASYAUGDDCJ-CGTJXYLNSA-N 271.19361 PMID:28867701 InChI=1S/C18H25NO/c1-19-10-9-18-8-4-3-5-15(18)17(19)11-13-6-7-14(20-2)12-16(13)18/h6-7,12,15,17H,3-5,8-11H2,1-2H3/t15-,17+,18+/m0/s1 C=1C=2C[C@@H]3[C@]4([C@@](C2C=C(C1)OC)(CCCC4)CCN3C)[H] chebi_ontology Wikipedia:Levomethorphan PMID:16870378 6-methoxy-11-methyl-1,3,4,9,10,10a-hexahydro-2H-10,4a-(epiminoethano)phenanthrene opioid analgesic dextromethorphan prodrug Levorphanol