InChI=1/C27H26N4O2/c28-18-24-27(29-19-25(21-8-2-1-3-9-21)31-13-15-32-16-14-31)33-26(30-24)17-22-11-6-10-20-7-4-5-12-23(20)22/h1-12,25,29H,13-17,19H2/t25-/m0/s1 2E2DDF9BBB3C9F39