InChI=1S/C22H32O8/c1-7-12(2)20(25)30-17-10-22(4,28-6)18(27-5)9-15(24)14(11-23)8-16-19(17)13(3)21(26)29-16/h7,14,16-19,23H,3,8-11H2,1-2,4-6H3/b12-7+