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Figure 4
The hydrogen-bonded dimer in polymorph (I)[link] of the title compound. Hydrogen bonds are shown as dotted lines and H atoms not involved in hydrogen bonding have been omitted for clarity. Selected atoms of mol­ecules present in the asymmetric unit are labelled to illustrate inter­molecular N1—H⋯O4 and O3—H⋯O7 hydrogen bonds defining an R22(9) hydrogen-bonding motif. [Symmetry code: (i) −x, −y + 2, −z.]

Journal logoSTRUCTURAL
CHEMISTRY
ISSN: 2053-2296
Volume 67| Part 8| July 2011| Pages o301-o305
doi:10.1107/S0108270111024632
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