InChI=1S/C25H28O18/c26-4-8-12(30)15(33)18(36)21(41-8)10-13(31)9(11(29)5-1-2-6(27)7(28)3-5)22(17(35)14(10)32)42-25-20(38)16(34)19(37)23(43-25)24(39)40/h1-3,8,12,15-16,18-21,23,25-28,30-38H,4H2,(H,39,40)