InChI=1S/C25H22O14/c26-15-12-7-6-11(8-14(12)36-9-13(15)10-4-2-1-3-5-10)37-21(19(30)22(31)32)24(35)39-25-18(29)16(27)17(28)20(38-25)23(33)34/h1-9,16-21,25,27-30H,(H,31,32)(H,33,34)