InChI=1S/C39H40O15/c1-15(2)4-6-21-31(44)28(53-39-34(47)32(45)33(46)36(54-39)38(50)51)13-18-12-27(52-35(18)21)17-10-25(42)30(26(43)11-17)23-9-16(3)8-22(29(23)37(48)49)20-7-5-19(40)14-24(20)41/h4-5,7,9-14,22-23,29,32-34,36,39-47H,6,8H2,1-3H3,(H,48,49)(H,50,51)