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