InChI=1S/C16H28O8/c1-16(2,22)9-5-3-8(4-6-9)7-23-15-12(19)10(17)11(18)13(24-15)14(20)21/h8-13,15,17-19,22H,3-7H2,1-2H3,(H,20,21)