InChI=1S/C19H30O7S/c1-18-4-3-13-12(14(18)5-10(20)9-18)8-16(21)15-6-11(26-27(23,24)25)7-17(22)19(13,15)2/h10-16,20-21H,3-9H2,1-2H3,(H,23,24,25)/t10?,11?,12?,13?,14?,15?,16?,18-,19-/m1/s1