InChI=1/C20H24N6O2/c1-5-18(27)23-15-8-6-14(7-9-15)12(2)22-20(28)24-16-10-17-13(3)25-26(4)19(17)21-11-16/h6-12H,5H2,1-4H3,(H,23,27)(H2,22,24,28)/t12-/m1/s1/f/h22-24H 5E7725529777C99E