InChI=1S/C22H20O14/c23-5-6-1-10(25)8(4-9(6)24)19-16(29)14(27)13-11(26)2-7(3-12(13)35-19)34-22-18(31)15(28)17(30)20(36-22)21(32)33/h1-4,15,17-18,20,22-26,28-31H,5H2,(H,32,33)