InChI=1/C27H32N4O2/c1-19-14-20(2)27(21(3)15-19)30-26(33)17-29-25(32)16-28-23-12-8-9-13-24(23)31(4)18-22-10-6-5-7-11-22/h5-15,28H,16-18H2,1-4H3,(H,29,32)(H,30,33)/f/h29-30H 455285B359743B11