InChI=1S/C21H24O10/c22-13-8-12(9-14(23)16(13)24)20(28)30-10-15-17(25)18(26)19(27)21(31-15)29-7-6-11-4-2-1-3-5-11/h1-5,8-9,15,17-19,21-27H,6-7,10H2