InChI=1S/C15H24O7S/c1-14(2)4-8-10(13(14)18)12(17)7(6-16)11-9(5-15(8,11)3)22-23(19,20)21/h8-10,12-13,16-18H,4-6H2,1-3H3,(H,19,20,21)/t8?,9?,10?,12?,13?,15-/m1/s1