InChI=1/C27H28O17/c28-9-3-1-8(2-4-9)12-7-11(29)15-13(41-12)5-10(40-26-20(34)16(30)18(32)22(43-26)24(36)37)6-14(15)42-27-21(35)17(31)19(33)23(44-27)25(38)39/h1-6,12,16-23,26-28,30-35H,7H2,(H,36,37)(H,38,39)/t12-,16?,17?,18?,19?,20?,21?,22?,23?,26?,27?/s2