2,4,8,10-Tetraoxaspiro(5,5)undecane, 3,9-diethenyl- (9CI) 2,4,8,10-Tetraoxaspiro(5.5)undecane, 3,9-divinyl- 2,4,8,10-Tetroxaspiro(5.5)undecane, 3,9-diethenyl- 3,9-Divinyl-2,4,8,10-tetraoxaspiro(5.5)undecane 3,9-Divinylspirobi(m-dioxane) 5-19-11-00375 (Beilstein Handbook Reference) 78-19-3 AI3-24999 Acrolein pentaerythritol bisacetal Acrolein, cyclic diacetal with pentaerythritol Acrolein, cyclic neopentanetetrayl acetal Acrolein-pentaerythritol dicyclic acetal BRN 0149330 Diallylidene pentaerythritol Diallylidenepentaerythritol EINECS 201-092-7 NSC 7585 Pentaerythritol diacrolein acetal