InChI=1/C18H20N2O4S2/c1-3-24-18(23)15-11(2)14(16(19)22)17(26-15)20-13(21)9-10-25-12-7-5-4-6-8-12/h4-8H,3,9-10H2,1-2H3,(H2,19,22)(H,20,21)/f/h20H,19H2 319764EFE4150623