InChI=1S/C21H32O8/c1-8-5-6-9-12(20(9,2)3)13-11(8)10(22)7-21(13,4)29-19-16(25)14(23)15(24)17(28-19)18(26)27/h9-10,12-17,19,22-25H,5-7H2,1-4H3,(H,26,27)