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. 2022 Aug 19;13:926507. doi: 10.3389/fphar.2022.926507

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Copyright © 2022 Wang, Wang, Yang and Song.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Promising natural products in COVID-19 therapy. (A) Tylophorine can be isolated from the medicinal plant Cynanchum komarovii AL. (B) Telocinobufagin can be isolated from the traditional medicinal animal toad Bufo gargarizans. (C) Gallinamide A can be isolated from the marine cyanobacteria Schizothrix genus. (D) Cordycepin can be isolated from the traditional medicine Cordyceps militaris Link. (E) Homofascaplysin A can be isolated from the marine sponge Fascaplysinopsis reticulata. (F) Wallichins C and D can be isolated from the medicinal fern Dryopteris wallichiana. (G) Licorice-saponin A3 and glycyrrhetinic acid can be isolated from the medicinal plant Glycyrrhiza uralensis Fisch.