InChI=1S/C27H26O17/c28-11-5-10(41-27-21(35)17(31)19(33)23(44-27)25(38)39)6-14-15(11)12(29)7-13(42-14)8-1-3-9(4-2-8)40-26-20(34)16(30)18(32)22(43-26)24(36)37/h1-7,16-23,26-28,30-35H,(H,36,37)(H,38,39)/t16-,17+,18+,19+,20+,21-,22+,23-,26-,27-/m1/s1