InChI=1/C13H12N2O3S2/c14-20(17,18)10-7-5-9(6-8-10)15-13(16)11-3-1-2-4-12(11)19/h1-8,19H,(H,15,16)(H2,14,17,18)/p-1/fC13H11N2O3S2/h19h,15H,14H2/q-1 8F9F0B5938968FDA