InChI=1/C15H14N4O5/c1-18-13-11(14(22)19(2)15(18)23)16-12(17-13)8-3-5-9(6-4-8)24-7-10(20)21/h3-6H,7H2,1-2H3,(H,16,17)(H,20,21)/p-1/fC15H13N4O5/h16H/q-1 7FF22501177C97BC