InChI=1/C20H20N6O/c1-20(2)8-14-17(15(27)9-20)16(12-6-4-3-5-7-12)13(10-21)18(22)26(14)19-23-11-24-25-19/h3-7,11,16H,8-9,22H2,1-2H3,(H,23,24,25)/t16-/m0/s1/f/h25H D9FEF971154F83B3