InChI=1/C18H16N2O6S/c1-25-13-5-6-15-11(8-18(22)26-16(15)10-13)7-17(21)20-12-3-2-4-14(9-12)27(19,23)24/h2-6,8-10H,7H2,1H3,(H,20,21)(H2,19,23,24)/f/h20H,19H2 694BE35476A1C6A3