InChI=1/C17H16N4O4/c1-11-2-6-13(7-3-11)20-16(22)10-15(17(20)23)19-18-12-4-8-14(9-5-12)21(24)25/h2-9,15,18-19H,10H2,1H3/t15-/m0/s1 383A9CE886A1FD4E