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Figure 2
Packing diagrams of (a) (Ib) and (b) (II), showing the hydrogen-bonding schemes. Atoms marked with an asterisk (*), hash (#), dollar sign ($), `at' symbol (@) or ampersand (&) are at the symmetry positions. (1-x, 1-y, 1-z), ([x,\ 1-y,\ {1\over2}+z]), (-x, -y, -z), ([x,\ -y,\ {1\over2}+z]) and (1+x, y, z), respectively.

Journal logoSTRUCTURAL
CHEMISTRY
ISSN: 2053-2296
Volume 60| Part 9| August 2004| Pages o627-o629
doi:10.1107/S0108270104001428
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