InChI=1/C21H19N5O/c1-15-11-16(14-27)13-18(12-15)24-21-23-8-7-19(25-21)26-10-9-22-20(26)17-5-3-2-4-6-17/h2-13,27H,14H2,1H3,(H,23,24,25)/f/h24H 8A127FF04089DDA8