2,5,7,10-Tetraoxa-6-silaundecane, 6-ethenyl-6-methyl- 45117-69-9 6-Methyl-6-vinyl-2,5,7,10-tetraoxa-6-silaundecane EINECS 256-192-3 Methylvinylbis(2-methoxyethoxy)silane