InChI=1/C18H22N2O6S/c1-4-20(5-2)27(24,25)13-7-9-16(21)15(11-13)19-18(23)14-8-6-12(26-3)10-17(14)22/h6-11,21-22H,4-5H2,1-3H3,(H,19,23)/f/h19H FD0EC82133158BA2