InChI=1S/C18H22O7S/c1-18-5-4-10-11-8-14(20)13(19)6-9(11)7-15(25-26(22,23)24)17(10)12(18)2-3-16(18)21/h6,8,10,12,15,17,19-20H,2-5,7H2,1H3,(H,22,23,24)/t10?,12?,15?,17?,18-/m0/s1