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Figure 2
A packing view of (I)[link] down the b axis, showing the different hydrogen-bonded columnar units propagating upwards along a. Heavy lines denote double columns of type A=A and thin lines denote columns of type B, laterally attached to the former to define a B=A=A=B structure (see Comment). Symmetry codes (ii) and (iii) are as in Table 2[link].

Journal logoSTRUCTURAL
CHEMISTRY
ISSN: 2053-2296
Volume 62| Part 5| April 2006| Pages m192-m194
doi:10.1107/S0108270106010560
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