The crystal structure of COVID‐19 virus Mpro in complex with N3. (A) Representation of the dimeric Mpro‐inhibitor complex. (B) Surface representation of the homodimer of Mpro. Protomer A (blue), protomer B (salmon), compound N3 is presented as green sticks. (C) Schematic view of compound N3 (40) in the substrate‐binding pocket. 143 Mpro, main protease [Color figure can be viewed at wileyonlinelibrary.com]