InChI=1S/C19H28O7S/c1-18-6-5-14-13(15(18)9-16(21)17(18)22)3-2-11-8-12(26-27(23,24)25)4-7-19(11,14)10-20/h2,12-16,20-21H,3-10H2,1H3,(H,23,24,25)/t12?,13?,14?,15?,16?,18-,19+/m0/s1