InChI=1/C21H28N4O2/c1-5-25(18-8-6-7-15(2)13-18)12-11-23-21(27)24-19-10-9-17(14-16(19)3)20(26)22-4/h6-10,13-14H,5,11-12H2,1-4H3,(H,22,26)(H2,23,24,27)/f/h22-24H 28412916F6B152D8