InChI=1/C19H16FN3O4/c1-27-14-7-2-11-9-23(16(24)15(11)8-14)10-19(17(25)21-18(26)22-19)12-3-5-13(20)6-4-12/h2-8H,9-10H2,1H3,(H2,21,22,25,26)/t19-/m0/s1/f/h21-22H 73F67E8A0FA695A0