(1S,2R)-ephedrine(1+) [C@H]([C@@H](C)[NH2+]C)(O)C1=CC=CC=C1 chebi_ontology CHEBI:149673 (1S,2R)-1-hydroxy-N-methyl-1-phenylpropan-2-aminium (1S,2R)-ephedrinium (+)-ephedrinium MetaCyc:CPD-22730 InChI=1S/C10H15NO/c1-8(11-2)10(12)9-6-4-3-5-7-9/h3-8,10-12H,1-2H3/p+1/t8-,10-/m1/s1 (1S,2R)-ephedrine An organic cation obtained by protonation of the secondary amino function of (1S,2R)-ephedrine; major species at pH 7.3. KWGRBVOPPLSCSI-PSASIEDQSA-O C10H16NO 166.243 +1 166.12264 ammonium ion derivative (-)-ephedrinium