InChI=1/C16H12N2O4S2/c1-2-17-15(19)14(24-16(17)23)9-12-6-7-13(22-12)10-4-3-5-11(8-10)18(20)21/h3-9H,2H2,1H3/b14-9+ D2259A8281328DF3