(2S)-2-[(1R)-1-Iodo­ethyl]-1-(4-methyl­phen­ylsulfon­yl)pyrrolidine

The spectroscopically confused title compound, C₁₃H₁₈INO₂S, wrongly assigned previously, has been crystallographically identified. The relative configuration is the (R*,S*) form and not the (R*,R*) type as previously reported.