1,3-Dioxolane-4-methanol, 2-methyl-2-pentyl- 2-Heptanone, cyclic (hydroxymethyl)ethylene acetal 2-Methyl-2-n-amyl-4-hydroxymethyl-1,3-dioxolane 2-Methyl-2-pentyl-1,3-dioxolane-4-methanol 4361-59-5 Glyketal NSC27439 WLN: T5O COTJ B5 B1 D1Q