InChI=1/C23H25N5O/c1-4-9-28-17(2)11-20(18(28)3)13-21(14-24)23(29)26-22-7-5-6-19(12-22)15-27-10-8-25-16-27/h5-8,10-13,16H,4,9,15H2,1-3H3,(H,26,29)/b21-13+/f/h26H 8BFE1097B92945B5