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