InChI=1/C27H28O14/c1-27(37,9-20(31)32)10-21(33)38-11-19-23(34)24(35)25(36)26(41-19)39-14-6-15(29)22-16(30)8-17(40-18(22)7-14)12-2-4-13(28)5-3-12/h2-8,19,23-26,28-29,34-37H,9-11H2,1H3,(H,31,32)/t19?,23-,24+,25?,26-,27?/s2