InChI=1/C19H19N5O4/c1-10-8-14(16-11(2)23-24(3)17(16)21-10)18(26)28-9-15(25)12-4-6-13(7-5-12)22-19(20)27/h4-8H,9H2,1-3H3,(H3,20,22,27)/f/h22H,20H2 FAEBECA9A1FF341E