InChI=1/C19H24N4O4/c1-2-19(17(26)21-18(27)22-19)12-6-8-23(9-7-12)15-13(16(24)25)10-11-4-3-5-14(11)20-15/h10,12H,2-9H2,1H3,(H,24,25)(H2,21,22,26,27)/t19-/m1/s1/f/h20-22H 63088A6D44F809A3