InChI=1/C18H22N2O8S/c1-8-13(22)4-14(23)10-6-29-7-12(17(25)27-3)20-16(24)11(19-9(2)21)5-28-18(26)15(8)10/h4,11-12,22-23H,5-7H2,1-3H3,(H,19,21)(H,20,24)/t11-,12-/m0/s1/f/h19-20H 8F2DEDC1533DC264