InChI=1S/C19H24N6O3/c1-10-11(8-22-18-15(10)17(20)23-19(21)24-18)9-25(2)12-6-13(26-3)16(28-5)14(7-12)27-4/h6-8H,9H2,1-5H3,(H4,20,21,22,23,24)