InChI=1S/C19H28O7S/c1-18-5-3-11(20)7-10(18)8-15(26-27(23,24)25)16-12(18)4-6-19(2)13(16)9-14(21)17(19)22/h8,11-16,20-21H,3-7,9H2,1-2H3,(H,23,24,25)/t11?,12?,13?,14?,15?,16?,18-,19-/m0/s1