InChI=1/C19H17FN4O4/c1-19(17(27)23-18(28)24-19)11-5-4-6-12(9-11)22-15(25)10-21-16(26)13-7-2-3-8-14(13)20/h2-9H,10H2,1H3,(H,21,26)(H,22,25)(H2,23,24,27,28)/t19-/m1/s1/f/h21-24H	819E6E2B60894386