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Figure 2 Four molecules (8 asymmetric units) illustrating packing in the b direction. Spheres of arbitrary size are shown. The upper right molecule contains the original asymmetric unit (x,y,z); lower right = (1+x, y, z); upper left = (1-x, −y, 1-z); lower left = (1-x, + y, 1-z). Hydrogen atoms not involved in hydrogen bonding are omitted. |