InChI=1S/C16H24O7/c1-6(2)16-5-8(16)7(3)4-9(16)22-15-12(19)10(17)11(18)13(23-15)14(20)21/h6,8-13,15,17-19H,3-5H2,1-2H3,(H,20,21)/t8?,9?,10?,11?,12?,13?,15?,16-/m1/s1