InChI=1/C21H14N6O2/c28-20(14-10-12-22-13-11-14)24-18-19-25-27(15-6-2-1-3-7-15)21(29)26(19)17-9-5-4-8-16(17)23-18/h1-13H,(H,23,24,28)/f/h24H D48E4B7458E48EC2