InChI=1S/C19H22N6O3/c1-5-20-19(27)14-9-25-16(12(14)3)17(21-10-22-25)23-15-8-13(7-6-11(15)2)18(26)24-28-4/h6-10H,5H2,1-4H3,(H,20,27)(H,24,26)(H,21,22,23)