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Figure 3 Part of the crystal structure, showing the aggregation of C22(6) motif via N—H⋯O hydrogen bonds. Atoms marked with a hash symbol (#), dollar sign ($), a percent sign (%), or a star (*) are at the symmetry positions (1 − x, 1 − y, 1 − z), ( + x,1/2 − y, 1 − z), (1.5 − x, + y, z), (1.5 − x, − + y, z) respectively. |