1-Propanaminium, 3,3'-(tetramethyl-1,2-silanediyl)bis(N,N,N-trimethyl-, diiodide 3,3'-(Tetramethyl-1,2-silanediyl)bis(N,N,N-trimethyl-1-propanaminium) diiodide 76615-65-1 N,N'-(4,4,5,5-Tetramethyl-4,5-disilaoctamethylen)bis(trimethylammoniumiodid) [German]