Methyl c-1-cyano-t-2-methyl-sulfonyl-3-phenyl-cyclo-propane-carboxyl-ate.

The title compound, C(13)H(13)NO(4)S, is a racemic mixture of enanti-omers. Short intra-molecular contacts between sulfonyl O and ester carbonyl C atoms are observed [C⋯O = 2.881 (1), 2.