InChI=1S/C16H26O9/c1-8(6-7-17)4-5-9(16(2,3)23)24-15-12(20)10(18)11(19)13(25-15)14(21)22/h7,9-13,15,18-20,23H,1,4-6H2,2-3H3,(H,21,22)