InChI=1S/C17H24O8/c18-9-12-14(21)15(22)16(23)17(25-12)24-11(8-13(19)20)7-6-10-4-2-1-3-5-10/h1-5,11-12,14-18,21-23H,6-9H2,(H,19,20)