InChI=1/C19H19FN4O4/c1-11(12-4-2-5-14(8-12)23-7-3-6-17(23)25)22-19(26)15-9-13(20)10-16(18(15)21)24(27)28/h2,4-5,8-11H,3,6-7,21H2,1H3,(H,22,26)/t11-/m1/s1/f/h22H 6B88D190551F8FB1