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. 2019 Oct 30;7(4):56. doi: 10.3390/diseases7040056

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© 2019 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 (http://creativecommons.org/licenses/by/4.0/).

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Structures of PF74 and GS-CA compounds. (a) PF74 can be divided into three components: polyphenyl core (red), linker (blue) and substituent (violet). Numbers 1, 2 and 3 represent three ring structures in PF74. Panels (b) and (c) show the chemical structure of GS-CA1 and GS-6207 compounds, respectively. Chemical moieties colored red, blue and violet correspond to those in PF74 (panel a). (d) Superposition of PF74 and GS-CA1. Dotted circles show the superposition of three ring structures present in PF74, GS-CA1 and GS-6207.