Synonyms: Optochin dihydrochloride;Numoquin dihydrochloride;Ethylhydrocupreine dihydrochloride;Hydrocupreine, O-ethyl-, dihydrochloride;Hydrocupreine ethyl ether, dihydrochloride;(8|A,9r)-6'-ethoxy-10,11-dihydrocinchonan-9-ol dihydrochloride;19375-33-8;Optochin HCl;AC1L3ELB;KST-1A2417;AR-1A7329;LS-77237;(R)-(6-ethoxyquinolin-4-yl)-[(2S,4S,5R)-5-ethyl-1-azabicyclo[2.2.2]octan-2-yl]methanol dihydrochloride