InChI=1S/C19H26O7S/c1-19-6-5-11-12-9-16(25-2)14(20)7-10(12)8-15(21)18(11)13(19)3-4-17(19)26-27(22,23)24/h7,9,11,13,15,17-18,20-21H,3-6,8H2,1-2H3,(H,22,23,24)/t11?,13?,15?,17?,18?,19-/m0/s1