InChI=1/C15H12N2O6S/c18-14-7-21-15-10(16-14)2-1-3-11(15)17-24(19,20)9-4-5-12-13(6-9)23-8-22-12/h1-6,17H,7-8H2,(H,16,18)/f/h16H C9AD936019DEA7DC