InChI=1/C18H20N6O3/c1-9(14-4-10(7-21-14)8-22-15(25)6-19)16-12-5-11(23-18(20)27)2-3-13(12)24-17(16)26/h2-5,7,21H,6,8,19H2,1H3,(H,22,25)(H,24,26)(H3,20,23,27)/b16-9-/f/h22-24H,20H2 065CA9EC48876A7E