InChI=1S/C19H26O7S/c1-25-16-9-14-11(8-17(16)26-27(22,23)24)2-3-13-12(14)6-7-19(10-20)15(13)4-5-18(19)21/h8-9,12-13,15,18,20-21H,2-7,10H2,1H3,(H,22,23,24)/t12?,13?,15?,18?,19-/m1/s1