Diethyl 6,13-dioxo-5,7,12,13b,13c,14-hexahydro-6<i>H</i>,13<i>H</i>-5a,6a,12a,13a-tetraazabenz[5,6]azuleno[2,1,8-<i>ija</i>]benz[<i>f</i>]azulene-13b,13c-dicarboxylate 1,2-dichloroethane solvate
Acta crystallographica. Section E