The (1<i>RS</i>,2<i>RS</i>,7<i>RS</i>,8<i>RS</i>)- and (1<i>RS</i>,2<i>SR</i>,7<i>SR</i>,8<i>RS</i>)-diastereoisomers of 8,9,11,12-tetrachloro-<i>N</i>-ethyltricyclo[6.2.2.0<sup>2,7</sup>]dodeca-9,11-diene-1,10-dicarboximide
Acta crystallographica. Section C, Crystal structure communications/Acta crystallographica. Section C, Crystal structure communications.