InChI=1/C15H15N5O/c21-10-9-17-14-12-3-1-2-4-13(12)19-15(20-14)18-11-5-7-16-8-6-11/h1-8,21H,9-10H2,(H2,16,17,18,19,20)/f/h17-18H D99673B59F0BF933