1,3,5,7-Tetraphenyl-3,7-dimethyl-1,5-diaza-3,7-diphoniacyclooctane diiodide 1,5,3,7-Diazadiphosphocinium, 3,7-dimethyl-1,3,5,7-tetraphenyl-, diiodide 3,7-Dimethyl-1,3,5,7-tetraphenyl-1,5,3,7-diazadiphosphocinium diiodide 85684-42-0