PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 32969524-7 2020 The results revealed that Withanolide R (-141.96 KJ/mol) and 2,3-Dihydrowithaferin A (-87.60 KJ/mol) were with the lowest relative free energy of binding for main protease and the spike proteins respectively. Withanolide R 26-39 surface glycoprotein Severe acute respiratory syndrome coronavirus 2 180-185