InChI=1S/C18H24O7S/c1-18-5-4-11-10-3-2-9(19)6-13(10)15(20)7-12(11)14(18)8-16(17(18)21)25-26(22,23)24/h2-3,6,11-12,14-17,19-21H,4-5,7-8H2,1H3,(H,22,23,24)/t11?,12?,14?,15?,16?,17?,18-/m0/s1