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