InChI=1/C17H14N3O4S2/c1-24-15-4-2-3-12(16(15)21)11-19-13-5-7-14(8-6-13)26(22,23)20-17-18-9-10-25-17/h2-11H,1H3,(H-,18,19,20,21)/q-1/f/h21H 49D0B0A825E25E95