InChI=1S/C23H32O6/c1-11-8-15(26-5)21(28-7)23(4)13(11)9-16-22(3)14(10-17(24)29-16)12(2)19(27-6)18(25)20(22)23/h8,11,13-14,16,20-21H,9-10H2,1-7H3