1,3-DIOXOLANE, 2-DICYANOMETHYLENE- 1,3-Dioxolane-delta(sup 2),alpha-malononitrile 1,3-Dioxolane-delta(sup2),alpha-malononitrile 1,3-Dioxolane-delta2,alpha-malononitrile (8CI) 5694-65-5 Dicyanoketene ethylene acetal NSC 64830 Propanedinitrile, 1,3-dioxol-2-ylidene- (9CI)