InChI=1/C18H21F2N3O4/c1-23(12-13-4-6-14(7-5-13)27-17(19)20)9-8-16(24)22-18(25)21-11-15-3-2-10-26-15/h2-7,10,17H,8-9,11-12H2,1H3,(H2,21,22,24,25)/f/h21-22H 13ED5525E0451C90