1,3,2-Dioxathiane, 5-butyl-5-ethyl, 2-oxide 1,3-Propanediol, 2-butyl-2-ethyl-, cyclic sulfite (ester) 2-Butyl-2-ethyl-1,3-propanediol cyclic sulfite (ester) 3670-88-0 BRN 2095734