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Figure 3
Part of the crystal structure of (I[link]) showing the formation of a [010] chain of fused rings. For the sake of clarity, the pyrimidyl rings have been omitted, with only the O21 to O22 and O23 fragment shown. H atoms have also been omitted. Atoms marked with an asterisk (*), hash (#), dollar sign ($), ampersand (&) or at symbol (@) are at the symmetry positions (1 + x, y, z), (2 − x, −y, −z), (1 + x, −1 + y, z), (3 − x, −y, −z) and (2 − x, 1 − y, −z), respectively.

Journal logoSTRUCTURAL
CHEMISTRY
ISSN: 2053-2296
Volume 57| Part 5| May 2001| Pages 534-537
doi:10.1107/S0108270101002670
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