InChI=1S/C26H28O13/c1-10(8-27)2-4-13-16(30)7-17-18(19(31)14(9-37-17)12-5-3-11(28)6-15(12)29)23(13)38-26-22(34)20(32)21(33)24(39-26)25(35)36/h2-3,5-7,14,20-22,24,26-30,32-34H,4,8-9H2,1H3,(H,35,36)/b10-2+