InChI=1/C22H34O8/c1-11(2)17(24)10-19(26)15(5)9-20(27)16(17,6)22(19,28)21(30-20)14(29-13(4)23)12(3)7-8-18(15,21)25/h11-12,14,24-28H,7-10H2,1-6H3