InChI=1/C21H28N6O/c1-6-26(7-2)8-9-27-18-12-16-15(11-14(18)21(4,5)20(27)28)22-19(23-16)17-10-13(3)24-25-17/h10-12H,6-9H2,1-5H3,(H,22,23)(H,24,25)/p+1/fC21H29N6O/h22,24,26H/q+1 DDE4A51FF1E56F8E