InChI=1/C15H16N6O/c1-15(2,3)12-11-14(21(4)18-12)17-13(16-11)8-6-5-7-9-10(8)20-22-19-9/h5-7H,1-4H3,(H,16,17)/f/h16H 684714A20A91E5D8