InChI=1/C17H14N4O4S/c1-10(22)20-7-6-13-14(8-18)17(26-15(13)9-20)19-16(23)11-2-4-12(5-3-11)21(24)25/h2-5H,6-7,9H2,1H3,(H,19,23)/f/h19H BE95D115F92E84E5