(9S)-9-Hydroxy-1-ethylcinchonan-1-ium iodide 73803-49-3 CINCHONAN-1-IUM, 1-ETHYL-9-HYDROXY-, IODIDE (9S)- Cinchonan-1-ium, 1-ethyl-9-hydroxy-, iodide, (9S)- Cinchonine ethiodide