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