InChI=1S/C21H20FN3O4/c22-15-3-1-13(2-4-15)11-14-7-9-25(10-8-14)20(27)19(26)23-16-5-6-17-18(12-16)29-21(28)24-17/h1-6,12,14H,7-11H2,(H,23,26)(H,24,28)