InChI=1S/C15H12N4O4S3/c1-22-11(20)6-23-19-12(9-7-24-14(16)17-9)13(21)26-15-18-8-4-2-3-5-10(8)25-15/h2-5,7H,6H2,1H3,(H2,16,17)