InChI=1/C16H17N5O4/c1-11-12(5-4-6-13(11)21(24)25)20-16(23)15(22)19-10-9-18-14-7-2-3-8-17-14/h2-8H,9-10H2,1H3,(H,17,18)(H,19,22)(H,20,23)/p+1/fC16H18N5O4/h17-20H/q+1 A7F4EC5D9E05E6E8