InChI=1/C27H34N4O2/c1-20(2)25-24(26(29(3)4)31(28-25)22-14-9-6-10-15-22)19-30(18-23-16-11-17-33-23)27(32)21-12-7-5-8-13-21/h5-10,12-15,20,23H,11,16-19H2,1-4H3/t23-/m0/s1 0404BE7A724EE1D7