InChI=1S/C11H13N5O8/c12-6-1-7(15-10(22)14-6)16-11(13-1)24-9-4(19)2(17)3(18)5(23-9)8(20)21/h2-5,9,17-19H,(H,20,21)(H4,12,13,14,15,16,22)