5,8-Dioxa-2-azonia-6,7-disiladecan-10-aminium, N,N,N,2,2,6,6,7,7-nonamethyl-, diiodide 83454-18-6 N,N'-(4,4,5,5-Tetramethyl-3,6-dioxa-4,5-disilaoctamethylen)bis(trimethylammonium iodid) N,N,N,2,2,6,6,7,7-Nonamethyl-5,8-dioxa-2-azonia-6,7-disiladecan-10-aminium diiodide