InChI=1/C21H26N4O2/c1-14-6-8-17(20(26)22-2)12-18(14)24-21(27)23-13-15-7-9-19-16(11-15)5-4-10-25(19)3/h6-9,11-12H,4-5,10,13H2,1-3H3,(H,22,26)(H2,23,24,27)/f/h22-24H 6AB0DF11F3ADD2FF