InChI=1/C16H15N5O4/c1-18-12(8-7-10-5-4-6-11(9-10)21(24)25)17-14-13(18)15(22)20(3)16(23)19(14)2/h4-9H,1-3H3/b8-7+ 63843819E3BC8EAF