InChI=1/C16H12N2O4S2/c1-10-5-6-23-13(10)8-14-15(19)17(16(20)24-14)9-11-3-2-4-12(7-11)18(21)22/h2-8H,9H2,1H3/b14-8+ C6CDE8090BC7EC9F