1-Ethyl-2-((3-ethyl-3H-benzoselenazol-2-ylidene)methyl)-6-methylquinolinium iodide 63870-48-4 EINECS 264-536-9 Quinolinium, 1-ethyl-2-((3-ethyl-2(3H)-benzoselenazolylidene)methyl)-6-methyl-, iodide Quinolinium, 1-ethyl-2-((3-ethyl-2(3H)-benzoselenazoyllidene)methyl)-6-methyl-, iodide