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. 2021 Oct 4;226:113857. doi: 10.1016/j.ejmech.2021.113857

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Fig. 6 — Structures of flavonoids for S protein-ACE2 repressors. (1) Quercetin; (2) Isorhamnetin; (3) Puerarin; (4) Rutin; (5) Oroxylin A; (6) Procyanidin; (7) Irisolidone; (8) Luteolin; (9) Hesperidin; (10) Chrysin; (11) Anhydrosafflor yellow B; (12) Glabridin; (13) Myricitrin; (14) Euchrenone; (15) Epigallocatechin-3- gallate.