InChI=1S/C20H26N6O2/c1-10(2)8-15(27)23-19-21-13-6-7-14-18(12(5)17(13)25-19)26-20(22-14)24-16(28)9-11(3)4/h8-9,12H,6-7H2,1-5H3,(H2,21,23,25,27)(H2,22,24,26,28)