InChI=1S/C27H28O14/c1-9(2)4-5-11-12(8-28)21-15(7-13(11)29)38-22-16(25(36)39-21)10(3)6-14(30)17(22)26(37)41-27-20(33)18(31)19(32)23(40-27)24(34)35/h4,6-7,18-20,23,27-33H,5,8H2,1-3H3,(H,34,35)