InChI=1S/C27H27N5O2/c28-14-20-5-4-18-12-26(20)34-22-7-6-19-2-1-3-25(23(19)13-22)32-11-9-24(27(32)33)30-10-8-21-15-29-17-31(21)16-18/h1-4,6-7,13,15,17,20,24,26,30H,5,8-12,16H2/t20-,24+,26?/m1/s1