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. 2022 Sep 14;23(18):10680. doi: 10.3390/ijms231810680

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© 2022 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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Examples of chemical structures of natural compounds from sponges: N-(2-hydroxyphenyl)-acetamide [108], Petrocidin A and 2,3-Dihydroxybenzamide [105], 6-Bromotrisindoline [94], Geodiataurine [98] and 5-cis-Apoa-theopalauamide [100].