InChI=1/C17H14N4O4/c18-17(25)12(9-2-1-3-11(22)8-9)21-14-13(15(23)16(14)24)20-10-4-6-19-7-5-10/h1-8,12-13,22H,(H2,18,25)(H,19,20)/t12-,13+/m1/s1/f/h20H,18H2 9CEAC3B58927BC5D