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. 2022 Apr 5;13:864714. doi: 10.3389/fphar.2022.864714

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Copyright © 2022 Meira, Soares, dos Reis, Pacheco, Santos, Silva, de Lacerda, Daltro, Guimarães and Soares.

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Chemical structure of the physalins A, B, D, F, G, and H. The epoxy group of physalin F and the double bond for physalin B, which may contribute to the potent cytotoxic effect of these physalins, are highlighted in blue.