InChI=1/C18H18N6O/c1-9-7-10(2)15-14(8-9)12(4)21-17(22-15)24-18-20-11(3)13(5-6-19)16(25)23-18/h7-8H,5H2,1-4H3,(H2,20,21,22,23,24,25)/f/h23-24H BD6491957CF83BCD