InChI=1/C28H21N5O/c1-28(2,18-29)21-9-11-22(12-10-21)33-26-23-15-19(6-7-20-5-4-14-30-16-20)8-13-24(23)31-17-25(26)32(3)27(33)34/h4-5,8-17H,1-3H3 90DD3162E80B23B4