InChI=1S/C18H22O7S/c1-18-5-4-11-10-3-2-9(19)6-13(10)15(20)7-12(11)14(18)8-16(21)17(18)25-26(22,23)24/h2-3,6,11-12,14,16-17,19,21H,4-5,7-8H2,1H3,(H,22,23,24)/t11-,12-,14+,16?,17?,18+/m1/s1