InChI=1/C21H17N5O3/c1-2-29-20(28)17-19(27)26(15-11-7-4-8-12-15)18-16(24-17)13-22-21(25-18)23-14-9-5-3-6-10-14/h3-13H,2H2,1H3,(H,22,23,25)/f/h23H 74F8B9B254976F84