InChI=1/C18H24N8O2/c1-3-26(4-2)15-8-7-12(11-22-15)23-18(28)17(27)21-9-5-6-14-13(10-19)16(20)25-24-14/h7-8,11H,3-6,9H2,1-2H3,(H,21,27)(H,23,28)(H3,20,24,25)/f/h21,23-24H,20H2 E66FC3D2246BB4CA