InChI=1/C16H24N4O2/c21-15-14(5-1-2-8-17-15)18-16(22)20-11-6-13(7-12-20)19-9-3-4-10-19/h3-4,9-10,13-14H,1-2,5-8,11-12H2,(H,17,21)(H,18,22)/t14-/m1/s1/f/h17-18H 5FBC63D450D6C22F