Human Cyclophilin A Bound To A Series Of Acylcic And Macrocyclic Inhibitors: (2R,5S,11S,14S,18E)-2,11-Dimethyl-14-(Propan-2-Yl)-3-Oxa-9,12,15,21,29-Pentaazatetracyclo[18.5.3.1~5,9~.0~23,27~]Nonacosa-1(26),18,20,22,24,27-Hexaene-4,10,13,16-Tetrone (Compound 21)