1-Ethyl-2-methylquinolinium iodide 1-Ethylquinaldinium iodide 2-Methyl-1-ethylquinolinium iodide 2-Methylquinoline ethiodide 606-55-3 NSC476 Quinaldine ethiodide Quinaldinium, 1-ethyl-, iodide Quinolinium, 1-ethyl-2-methyl-, iodide