InChI=1/C13H10ClN3O4/c14-9-5-10-7(4-12(18)16-10)3-11(9)15-6-8-1-2-13(21-8)17(19)20/h1-3,5,15H,4,6H2,(H,16,18)/f/h16H B6824F01D9E60431