InChI=1/C28H28N4O2/c1-18(2)20-7-5-8-22(15-20)27(33)32-23-11-10-19(3)25(17-23)34-28-24(9-6-13-31-28)21-12-14-30-26(16-21)29-4/h5-18H,1-4H3,(H,29,30)(H,32,33)/p+1/fC28H29N4O2/h29-30,32H/q+1 ACA33E363E7188B4