Synonyms: 4,4',4''-(Phosphinylidynetri-2,1-ethanediyl)tris(1-methylpyridinium) triiodide;Pyridinium, 4,4',4''-(phosphinylidynetri-2,1-ethanediyl)tris(1-methyl-, triiodide;AC1MIOS5;LS-132878;172421-41-9;4-[2-[bis[2-(1-methylpyridin-1-ium-4-yl)ethyl]phosphoryl]ethyl]-1-methylpyridin-1-ium triiodide