InChI=1S/C19H30O8/c1-9(20)5-6-11-10(2)12(7-8-19(11,3)4)26-18-15(23)13(21)14(22)16(27-18)17(24)25/h11-16,18,21-23H,2,5-8H2,1,3-4H3,(H,24,25)