InChI=1S/C16H24O8/c1-7(2)8-3-5-9(6-4-8)15(22)24-16-12(19)10(17)11(18)13(23-16)14(20)21/h8-13,16-19H,1,3-6H2,2H3,(H,20,21)/t8-,9+,10?,11?,12?,13?,16?