InChI=1S/C18H22O8S/c19-8-18-4-3-12-11-2-1-10(20)5-9(11)6-14(21)16(12)13(18)7-15(17(18)22)26-27(23,24)25/h1-2,5,12-16,19-21H,3-4,6-8H2,(H,23,24,25)/t12?,13?,14?,15?,16?,18-/m1/s1