In the structure of the title compound. C2H10N22+·C8H2Cl2O42−. the dications and dianions form hydrogen-bonded ribbon substructures which enclose conjoint cyclic R21(7). R12(7) and R42(8) associations and extend down the c-axis direction. https://www.roneverhart.com/Vintage-Bismarck-armband-gult-gull-19cm/