InChI=1S/C18H28O7S/c1-18-8-15(20)17-10-3-2-9(25-26(22,23)24)6-11(10)14(19)7-12(17)13(18)4-5-16(18)21/h9-15,17,19-20H,2-8H2,1H3,(H,22,23,24)/t9?,10?,11?,12?,13?,14?,15?,17?,18-/m0/s1