InChI=1S/C19H20N8O3/c1-20-19(29)15-13(8-14(25-26-15)24-18(28)10-6-7-10)23-12-5-3-4-11(16(12)30-2)17-21-9-22-27-17/h3-5,8-10H,6-7H2,1-2H3,(H,20,29)(H,21,22,27)(H2,23,24,25,28)/i1D3