InChI=1/C20H22FN3O4/c1-27-20(26)24-18-12-15(6-8-17(18)21)23-19(25)22-9-10-28-16-7-5-13-3-2-4-14(13)11-16/h5-8,11-12H,2-4,9-10H2,1H3,(H,24,26)(H2,22,23,25)/f/h22-24H B9760D26E21A44F8