InChI=1/C22H26N4O2/c1-13-5-6-18(14(2)11-13)25-21(27)17-7-9-26(10-8-17)20-19-15(3)16(4)28-22(19)24-12-23-20/h5-6,11-12,17H,7-10H2,1-4H3,(H,25,27)/f/h25H 017E6D1F95D22FEC