InChI=1S/C19H30O7S/c1-18-7-6-12(26-27(23,24)25)8-11(18)2-3-13-14-4-5-16(22)19(14,10-20)9-15(21)17(13)18/h11-15,17,20-21H,2-10H2,1H3,(H,23,24,25)/t11?,12?,13?,14?,15?,17?,18-,19+/m0/s1