InChI=1/C13H12N2O6S/c1-15-6-9(5-10(15)13(14)16)22(17,18)21-8-2-3-11-12(4-8)20-7-19-11/h2-6H,7H2,1H3,(H2,14,16)/f/h14H2 BB8BFA80D923D60A