InChI=1/C11H14N4O5S/c12-7-3-4-9(15(17)18)10(6-7)21(19,20)14-8-2-1-5-13-11(8)16/h3-4,6,8,14H,1-2,5,12H2,(H,13,16)/t8-/m0/s1/f/h13H 4DE7295F6BB98234