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. 2020 Aug 22;85:153310. doi: 10.1016/j.phymed.2020.153310

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Fig 2 — Docking poses of caffeic acid derivatives with COVID-19 virus M^pro(A) Hydrogen bonding interactions of khaınaosıde C, scrophuloside B, vitexfolin A, calceolarioside B and calceolarioside C with amino acid residues of COVID-19 virus M^pro, (B) 2D view of interaction types of khaınaosıde C, scrophuloside B, vitexfolin A, calceolarioside B and calceolarioside C with surrounding amino acids of COVID-19 virus M^pro.