InChI=1S/C19H28O7S/c1-18-7-5-11(26-27(23,24)25)9-10(18)3-4-12-13(18)6-8-19(2)14(12)15(20)16(21)17(19)22/h3,11-16,20-21H,4-9H2,1-2H3,(H,23,24,25)/t11?,12?,13?,14?,15?,16?,18-,19-/m0/s1