InChI=1S/C22H24O10/c1-12(23)29-18-10-17(11-28-22(27)16-8-6-5-7-9-16)19(30-13(2)24)21(32-15(4)26)20(18)31-14(3)25/h5-10,18-21H,11H2,1-4H3