InChI=1S/C21H28O12/c1-29-10-7-13(31-15(23)8-10)11(22)5-9-3-4-12(30-2)14(6-9)32-21-18(26)16(24)17(25)19(33-21)20(27)28/h3-4,6,10-11,13,16-19,21-22,24-26H,5,7-8H2,1-2H3,(H,27,28)