InChI=1S/C19H30O7S/c1-18-5-4-15-14(16(18)7-12(21)9-18)3-2-11-6-13(26-27(23,24)25)8-17(22)19(11,15)10-20/h11-16,20-21H,2-10H2,1H3,(H,23,24,25)/t11?,12?,13?,14?,15?,16?,18-,19+/m1/s1