InChI=1/C18H25FN4O4/c1-11(27-15-6-4-3-5-14(15)19)16(24)22-23-18(26)21-13-9-7-12(8-10-13)17(25)20-2/h3-6,11-13H,7-10H2,1-2H3,(H,20,25)(H,22,24)(H2,21,23,26)/t11-,12?,13?/m1/s1/f/h20-23H D715C4E524BFD22F