InChI=1S/C28H27N7O2/c1-19-4-9-23(15-25(19)34-28-31-12-10-24(33-28)22-3-2-11-29-16-22)32-27(37)21-7-5-20(6-8-21)17-35-14-13-30-26(36)18-35/h2-12,15-16H,13-14,17-18H2,1H3,(H,30,36)(H,32,37)(H,31,33,34)