InChI=1/C27H28N4O2/c32-26-24(16-20-9-5-2-6-10-20)29-27(33)31(25(26)14-12-19-7-3-1-4-8-19)18-21-11-13-23-22(15-21)17-28-30-23/h1-11,13,15,17,24-26,32H,12,14,16,18H2,(H,28,30)(H,29,33)/t24-,25-,26+/m1/s1/f/h29-30H 679E282396F21CE2