InChI=1/C18H18FN5O4/c19-11-4-5-12-13(8-11)20-10-23(15(12)26)9-14(25)22-24-16(27)18(21-17(24)28)6-2-1-3-7-18/h4-5,8,10H,1-3,6-7,9H2,(H,21,28)(H,22,25)/f/h21-22H 38C2B7DE6BF50B5B