InChI=1/C16H10N4O3/c17-6-10-15(20)23-13-5-9(12-2-1-3-22-12)4-11(21)14(13)16(10,7-18)8-19/h1-3,9H,4-5,20H2/t9-/m1/s1 A67AA5F3A4798F7F