InChI=1/C23H26N4O/c1-16(2)18-9-6-17(7-10-18)8-11-19-12-13-24-21-20(19)22(28)26-23(25-21)27-14-4-3-5-15-27/h6-13,16H,3-5,14-15H2,1-2H3,(H,24,25,26,28)/b11-8+/f/h26H A01937072E41E2CA