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. 2020 Oct 29:1–17. doi: 10.1080/07391102.2020.1837676

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Figure 2. — Superposition of the best conformation of the most active components against ACE-2–RBD binding interface Uncarine F (in blue), Cadambine (in red), 3-isodihydrocadambine (in orange), Proanthocyanidin B2 (in light blue), Proanthocyanidin B4 (in purple blue), Proanthocyanidin C1 (in hot pink), Epiafzelechin-4β-8 (in olive), QAG-1 (in yellow), QAG-2 (in gray), QAG-4 (in violet), QAG-5 (in black), QAG-6 (in salmon) and HepOS (in bluemarine) as positive reference.