InChI=1S/C11H13N5O5S2/c1-22-6-4-9(23(21)7(6)3(18)2-17)15-8(16-11(12)13)5(14-4)10(19)20/h3,17-18H,2H2,1H3,(H,19,20)(H4,12,13,15,16)