8,18-DIOXA-5-AZONIA-3-SILAEICOSAN-20-AMINIUM, 3,3-DIETHYL-9,17-DIOXO-N,N,5,5-TET 8,18-Dioxa-5-azonia-3-silaeicosan-20-aminium, 3,3-diethyl-9,17-dioxo-N,N,5,5-tetramethyl-N-((triethylsilyl)methyl)-, diiodide 95521-16-7