SARS-CoV-2-IN-65 (compound 2f (81)) is a potent,orally active and reversible SARS-CoV-2 entry inhibitor. SARS-CoV-2-IN-65 inhibits the pseudovirus entry in a ACE2-dependent pathway, via mainly inhibiting RBD:ACE2 interaction and TMPRSS2 activity in Calu-3 cells[1].