InChI=1S/C19H30O8/c1-10-5-4-8-19(3,12(10)7-6-11(2)20)9-26-18-15(23)13(21)14(22)16(27-18)17(24)25/h12-16,18,21-23H,1,4-9H2,2-3H3,(H,24,25)