InChI=1/C21H28N6O/c1-20(2,3)15-6-4-14(5-7-15)12-21(22)8-10-27(11-9-21)18-16-17(23-13-24-18)26-19(28)25-16/h4-7,13H,8-12,22H2,1-3H3,(H2,23,24,25,26,28)/f/h22,26H 99F4B5E520B73E6A