InChI=1S/C21H36O8/c1-6-20(4,29-18-17(25)16(24)15(23)13(12-22)27-18)9-7-10-21(5)11-8-14(28-21)19(2,3)26/h6-7,10,13-18,22-26H,1,8-9,11-12H2,2-5H3