The title compound, C8H10O4 crystallizes in the non-centrosymmetric space group Pna21 with two molecules in the asymmetric unit. The structure is characterized by fused cyclohexyl and cyclic diester rings. There is a twist of 60 about the ring fusion. The molecules are characterized by an average C=O bond of 1.199 (8) , an average sp2 C-O bond of 1.328 (8) , and an average sp 3 C-O bond of 1.469 (8) . 2004 International Union of Crystallography Printed in Great Britain - all rights reserved.
