InChI=1/C14H13N5O/c1-8-13(9(2)19-18-8)14(20)17-10-3-4-11-12(7-10)16-6-5-15-11/h3-7H,1-2H3,(H,17,20)(H,18,19)/f/h17-18H 3F9E66257351AB77