InChI=1S/C16H24O7/c1-6(2)16-5-4-7(3)8(16)13(16)23-15-11(19)9(17)10(18)12(22-15)14(20)21/h6,8-13,15,17-19H,3-5H2,1-2H3,(H,20,21)/t8?,9?,10?,11?,12?,13?,15?,16-/m0/s1