InChI=1S/C26H28O20/c27-5-12-19(44-23(39)6-1-8(28)13(31)9(29)2-6)18(36)21(25(41)42-12)45-24(40)7-3-10(30)14(32)11(4-7)43-26-17(35)15(33)16(34)20(46-26)22(37)38/h1-4,12,15-21,25-36,41H,5H2,(H,37,38)