InChI=1S/C28H26O14/c29-10-21-26(42-27(38)12-5-17(33)23(35)18(34)6-12)24(36)25(37)28(41-21)39-14-7-15(31)22-16(32)9-19(40-20(22)8-14)11-1-3-13(30)4-2-11/h1-8,19,21,24-26,28-31,33-37H,9-10H2