InChI=1/C21H26N6O2/c1-14-12-16(25(2)3)6-7-17(14)24-21(28)27-10-8-26(9-11-27)20-18(13-22)23-19(29-20)15-4-5-15/h6-7,12,15H,4-5,8-11H2,1-3H3,(H,24,28)/p+1/fC21H27N6O2/h24-25H/q+1 9D4D1D2ECB54EB20