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. 2022 Mar 1;36(5):e6636. doi: 10.1002/aoc.6636

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© 2022 John Wiley & Sons, Ltd.

This article is being made freely available through PubMed Central as part of the COVID-19 public health emergency response. It can be used for unrestricted research re-use and analysis in any form or by any means with acknowledgement of the original source, for the duration of the public health emergency.

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Left: A selected molecule of 3 and its hydrogen bond interaction connectivities with neighboring molecules as dashed lines (black: C—H … Cl and orang: N—H … Cl, Table 2) has been shown. The C—H … π and π … π interactions (Table 2) between pyrazole rings are displayed as red and blue dash lines, respectively, in this view; Right: the 2 × 2 × 2 unit cell packing diagram of 3 viewed along the c axis has been presented showing the 3D network formed by the quoted intermolecular interactions (black dashed lines)