InChI=1/C16H13N5O3/c1-10(11-2-5-13(6-3-11)21(23)24)19-20-16(22)12-4-7-14-15(8-12)18-9-17-14/h2-9H,1H3,(H,17,18)(H,20,22)/b19-10+/f/h17,20H B83B2120B135CB47