InChI=1/C19H24N4O3/c1-11-9-23(10-12(2)26-11)16-7-5-15(6-8-16)20-18(24)17-13(3)14(4)21-22-19(17)25/h5-8,11-12H,9-10H2,1-4H3,(H,20,24)(H,22,25)/t11-,12-/m0/s1/f/h20,22H 8615968A0F1FC47E