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3D cartoon structure of SARS-CoV-2 main protease and all 15 ligands in stick form. A) Main protease a) Hyperoside b) Nimbaflavone c) Eugenol d) Ursolic acid ;e) 6-gingerol f) 6-shogaol g) 6-paradol h) Curcumin i) Catechins j) Epigallocatechin k) α-Hederin l) Echinocystic acid diacetate m) Ajoene n) Allicin o) Piperine.
