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. 2021 May 16;26(10):2956. doi: 10.3390/molecules26102956

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© 2021 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).

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QTAIM diagrams for (a)—acridine–fenamic acid, (b)—acridine–flufenamic acid (1), (c,d)—acridine–mefenaic acid (2_stack1, 2_stack2, Table 4) and acridine–tolfenamic acid ((e,f)—3_stack1, 3_stack2, Table 4).