InChI=1S/C21H22O10/c22-10-4-5-12-14(7-10)29-8-13(15(12)23)9-2-1-3-11(6-9)30-21-18(26)16(24)17(25)19(31-21)20(27)28/h1-7,13,15-19,21-26H,8H2,(H,27,28)