InChI=1S/C18H22O7S/c1-18-5-4-10-11(17(18)14(20)8-16(18)21)3-2-9-6-15(25-26(22,23)24)13(19)7-12(9)10/h6-7,10-11,14,17,19-20H,2-5,8H2,1H3,(H,22,23,24)/t10?,11?,14?,17?,18-/m1/s1