InChI=1/C18H19N5O4/c1-23-14-4-2-3-12(11(14)8-19-23)22-18(26)17(25)20-10-5-6-15-13(7-10)21-16(24)9-27-15/h5-8,12H,2-4,9H2,1H3,(H,20,25)(H,21,24)(H,22,26)/t12-/m0/s1/f/h20-22H F05B96A01E83D9E5