InChI=1/C28H22N8O/c1-17-9-10-18(27(37)33-21-7-4-5-19-15-30-12-11-20(19)21)13-23(17)35-28-34-22-6-2-3-8-24(22)36(28)26-14-25(29)31-16-32-26/h2-16H,1H3,(H,33,37)(H,34,35)(H2,29,31,32)/f/h33,35H,29H2 B28332ED2B3A456B