InChI=1S/C11H13N5O9/c17-2-3(18)5(8(20)21)24-9(4(2)19)25-11-14-6-1(7(15-11)16-23)12-10(22)13-6/h2-5,9,17-19,23H,(H,20,21)(H3,12,13,14,15,16,22)