InChI=1S/C27H28O14/c1-8-5-12(38-26-19(31)17(29)18(30)22(40-26)24(34)35)16(23(32)33)21-15(8)25(36)39-20-9(2)10(6-14-27(3,4)41-14)11(28)7-13(20)37-21/h5,7,14,17-19,22,26,28-31H,6H2,1-4H3,(H,32,33)(H,34,35)