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Figure 3 The packing diagram of the title compound showing π-π interactions between (8hmqH)+ fragments. Only (8hmqH)+ fragments without hydrogen atoms are shown for clarity. Cg7, Cg10 and Cg11 are the centroids of rings N3/C16—C19/C24, N4/C26—C29/C34 and C29—C34, respectively (symmetry codes: iv: 1 − x,2 − y,1 − z; vi: x,1 + y,z; vii:1 − x,-y,2 − z; viii: x,-1 + y,z). |