1,3-dioxolane-4-carboxylic acid, 2-(chloromethyl)-, methyl ester InChI=1/C6H9ClO4/c1-9-6(8)4-3-10-5(2-7)11-4/h4-5H,2-3H2,1H methyl 2-(chloromethyl)-1,3-dioxolane-4-carboxylate