InChI=1/C20H22N6O2/c1-13(2)10-26-19(27)16-18(24(3)20(26)28)23-17(22-16)15-9-21-25(12-15)11-14-7-5-4-6-8-14/h4-9,12-13H,10-11H2,1-3H3,(H,22,23)/f/h22H 5894A20FBC5F5A12