InChI=1/C28H30N4/c1-5-13-23-19(9-1)27(20-10-2-6-14-24(20)31-23)29-17-18-30-28-21-11-3-7-15-25(21)32-26-16-8-4-12-22(26)28/h1,3,5,7,9,11,13,15H,2,4,6,8,10,12,14,16-18H2,(H,29,31)(H,30,32)/p+2/fC28H32N4/h29-32H/q+2 30336B2F806A998C