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Packing crystal 3 showing arrangement of the complexes of acridine and tolfenamic acid. Stacking interactions of acridine molecules are shown by green dashed lines linking centers of aromatic rings (centroids of rings-Cg-marked as green balls; Cg1 (C28/C29/C30/C31/C32/C33); Cg2 (C21/C22/C23/C24/C25/C26); Cg3 (N2/C21/C26/C27/C28/C33)). Symmetry codes: iv = −x + 1, −y + 1, −z; # = x + 1, y, z.
