InChI=1S/C19H26O7S/c1-19-6-5-11-12(18(19)15(21)9-17(19)26-27(22,23)24)4-3-10-7-14(20)16(25-2)8-13(10)11/h7-8,11-12,15,17-18,20-21H,3-6,9H2,1-2H3,(H,22,23,24)/t11?,12?,15?,17?,18?,19-/m1/s1