InChI=1/C11H11N3O5S/c1-5-8(10(15)18-2)9(13-11(20)12-5)6-3-4-7(19-6)14(16)17/h3-4,9H,1-2H3,(H2,12,13,20)/t9-/m1/s1/f/h12-13H 52D3B5B068D02F96