InChI=1S/C21H34O8/c1-10-6-5-7-12-13(8-11(20(2,3)27)9-21(10,12)4)28-19-16(24)14(22)15(23)17(29-19)18(25)26/h7,10-11,13-17,19,22-24,27H,5-6,8-9H2,1-4H3,(H,25,26)