InChI=1S/C25H28O6/c1-13(2)5-7-15-9-16(10-21(29)24(15)30)22-12-20(28)23-19(27)11-18(26)17(25(23)31-22)8-6-14(3)4/h5-6,9-11,22,26-27,29-30H,7-8,12H2,1-4H3