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Structures of Terpenoids for S protein-ACE2 repressors. (16) Glycyrrhizic acid; (17) Uncaric acid; (18) Ursolic acid; (19) Demethylzeylasteral; (20) Maslinic acid; (21) Obacunone; (22) Andrographolide; (23) Atractylenolide III; (24) Astragaloside IV; (25) Taraxerol; (26) Daturaolone; (27) Limonin; (28) Cucurbitacin G 2-glucoside; (29) Citronellol; (30) Limonene.
