InChI=1/C21H22N6O/c1-26-9-11-27(12-10-26)16-8-4-7-15-17(16)19(22)18(21(28)25-15)20-23-13-5-2-3-6-14(13)24-20/h2-8H,9-12H2,1H3,(H,23,24)(H3,22,25,28)/f/h23,25H,22H2 12E0E0F70C2461D5