InChI=1/C14H15N5O/c15-13(18-20)12-14(17-8-7-16-12)19-9-3-5-10-4-1-2-6-11(10)19/h1-2,4,6-8,20H,3,5,9H2,(H2,15,18)/f/h15H2/b18-13+ 2CC6460EF5C7268B