InChI=1/C22H28N4O2/c1-6-15-9-7-8-13(2)16(15)11-23-18-10-19(22(28)26(4)5)25-20-17(12-27)14(3)24-21(18)20/h7-10,24,27H,6,11-12H2,1-5H3,(H,23,25)/f/h23H 3D57E9B5927E38B5