InChI=1S/C19H24O7S/c1-19-6-5-11-12(14(19)9-17(18(19)21)26-27(22,23)24)4-3-10-7-15(20)16(25-2)8-13(10)11/h7-8,11-12,14,17,20H,3-6,9H2,1-2H3,(H,22,23,24)/t11?,12?,14?,17?,19-/m0/s1