2,4-Disilapentane, 2,2,4, 4-tetramethyl-3-methylene- 5654-07-9 AIDS-128247 AIDS128247 Ethylene, 1,1-bis(trimethylsilyl)- NSC251022 Silane, {ethenylidenebis[trimethyl-} Trimethyl(1-(trimethylsilyl)vinyl)silane