InChI=1/C14H16N4O3/c1-8-13(14(19)17-10(3)15-8)9(2)16-11-4-6-12(7-5-11)18(20)21/h4-7,9,16H,1-3H3,(H,15,17,19)/t9-/m1/s1/f/h17H 404EB3AAA13AA3EC