1,3-Dioxolane, 2,2'-(1,3-propanediyl)bis- 1,3-Dioxolane, trimethylenebis- (8CI) 2,2'-(1,3-Propanediyl)bis-1,3-dioxolane 2,2'-Trimethylenebis(1,3-dioxolane) 6543-04-0 Bis-1,3-(2-dioxolanyl)-propane Glutaraldehyde, cyclic bis(ethylene acetal) Pentanedial, cyclic bis(1,2-ethanediyl acetal)