InChI=1/C27H34N4O2/c1-3-4-12-26-28-18-22(29-26)19-31-15-13-20(14-16-31)27(32)30-25-11-6-5-10-24(25)21-8-7-9-23(17-21)33-2/h5-11,17-18,20H,3-4,12-16,19H2,1-2H3,(H,28,29)(H,30,32)/p+1/fC27H35N4O2/h28,30-31H/q+1 997E274B0003E65F