InChI=1S/C18H22O7S/c1-18-13(4-5-15(18)20)17-12(8-16(18)21)11-3-2-10(25-26(22,23)24)6-9(11)7-14(17)19/h2-3,6,12-14,16-17,19,21H,4-5,7-8H2,1H3,(H,22,23,24)/t12?,13?,14?,16?,17?,18-/m0/s1