InChI=1S/C16H24O7/c1-7(2)15-5-4-8(3)16(15,6-15)23-14-11(19)9(17)10(18)12(22-14)13(20)21/h7,9-12,14,17-19H,3-6H2,1-2H3,(H,20,21)/t9?,10?,11?,12?,14?,15-,16?/m0/s1