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