(9S)-9-Hydroxy-6'-methoxy-1-methylcinchonan-1-ium iodide 1-Methylquinidinium iodide 42982-87-6 CINCHONAN-1-IUM, 9-HYDROXY-6'-METHOXY-1-METHYL-, IODIDE (9S)- Cinchonan-1-ium, 9-hydroxy-6'-methoxy-1-methyl-, iodide, (9S)- Cinchonanium, 9-hydroxy-6'-methoxy-1-methyl-, iodide, (9S)- Methylquinidinium, iodide Quinidine methiodide Quinidine-alpha-methiodide Quinidinium, methyl-, iodide