InChI=1S/C16H24O8/c1-15(6-2-7-8(3-6)16(7,15)4-17)5-23-14-11(20)9(18)10(19)12(24-14)13(21)22/h6-12,14,17-20H,2-5H2,1H3,(H,21,22)