InChI=1/C26H28N4O3/c1-31-24-15-22-21(14-25(24)33-12-9-30-7-10-32-11-8-30)26(19(16-27)17-28-22)29-23-13-20(23)18-5-3-2-4-6-18/h2-6,14-15,17,20,23H,7-13H2,1H3,(H,28,29)/t20-,23+/m0/s1/f/h29H 5BD9B228F316EDCB