InChI=1S/C23H24N4O2/c1-14(13-27(2)3)24-23(28)17-8-5-9-18-22(17)26-21-16-7-6-10-20(29-4)15(16)11-12-19(21)25-18/h5-12,14H,13H2,1-4H3,(H,24,28)/t14-/m1/s1