InChI=1/C9H14O7/c1-12-7(10)6(8(11)13-2)9(14-3)15-4-5-16-9/h6H,4-5H2,1-3H dimethyl (2-methoxy-1,3-dioxolan-2-yl)malonate propanedioic acid, (2-methoxy-1,3-dioxolan-2-yl)-, dimethyl ester