InChI=1S/C18H22O7S/c1-18-5-4-12-11(3-2-9-6-10(19)7-14(20)16(9)12)13(18)8-15(21)17(18)25-26(22,23)24/h6-7,11-13,17,19-20H,2-5,8H2,1H3,(H,22,23,24)/t11?,12?,13?,17?,18-/m0/s1