InChI=1S/C16H26O8/c1-15-4-3-7(16(15,2)6-17)5-8(15)23-14-11(20)9(18)10(19)12(24-14)13(21)22/h7-12,14,17-20H,3-6H2,1-2H3,(H,21,22)/t7?,8?,9?,10?,11?,12?,14?,15-,16?/m1/s1