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