InChI=1/C13H12N2O6S/c14-22(17,18)12-4-3-10(21-12)13(16)15-8-1-2-9-11(7-8)20-6-5-19-9/h1-4,7H,5-6H2,(H,15,16)(H2,14,17,18)/f/h15H,14H2 8691EB376AAFFE68