InChI=1/C23H21N5O/c1-17-13-21(28-23(27-17)20-8-10-24-11-9-20)26-15-19-7-12-25-22(14-19)29-16-18-5-3-2-4-6-18/h2-14H,15-16H2,1H3,(H,26,27,28)/f/h26H 4F5DDA2716D3DB1B