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Structures of others S protein-ACE2 repressors. Quinones: (52) Thymoquinone; (53) Emodin; (54) Rhein; Glycosides: (55) Forsythoside A; (56) Forsythoside I; (57) Amygdalin; Steroids: (58) Urso-deoxycholic acid; (59) Withanolide A; (60) β-sitosterol; Lignans: (61) Sesamin; (62) Sesaminol; (63) Sesamolin; (64) Phillyrin; (65) Farnesiferol B.
