2,4-Diaza-8,8,11-trimethyl-8-silaspiro[5.5]undecane-1,3,5-trione 2,4-Diaza-8-silaspiro[5.5]undecane-1,3,5-trione, 8,8,11-trimethyl- 52-55-1 NSC96857 WLN: T6MVMVXVJ E-& CT6-SI- CXTJ A1 A1 D1