InChI=1/C17H15N3O6/c21-13-7-6-12(15(23)16(13)24)9-18-19-17(25)11-4-1-10(2-5-11)3-8-14(22)20-26/h1-9,21,23-24,26H,(H,19,25)(H,20,22)/b8-3+,18-9+/f/h19-20H EB887021F84ACB47