InChI=1S/C23H24O7/c1-10(2)5-6-11-13(24)8-16-19(20(11)27)21(28)18-12-7-17(26)23(3,4)30-15(12)9-14(25)22(18)29-16/h5,8-9,17,24-27H,6-7H2,1-4H3