Acta Cryst. (2002). E58, o413-o414  [ doi:10.1107/S160053680200449X ]

cis-[4a]-transoid-[4a,4b]-cis-[4b]-1,3,6,8,8a,8b-Hexamethylperhydro-1,3,6,8-tetraazabiphenylene-2,4,5,7-tetraone

C. Näther, O. Krüger and U. Wille

Online 15 March 2002

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