InChI=1/C19H23F2N5O2/c20-19(21)11-26(9-1-6-25-19)18(28)23-7-4-12-10-24-15-3-2-14-13(16(12)15)5-8-22-17(14)27/h2-3,10,24-25H,1,4-9,11H2,(H,22,27)(H,23,28)/f/h22-23H 7B4B1E62966B1AE7