InChI=1S/C31H34O13/c1-12(2)5-7-15-22(34)21-17(33)11-19-16(10-20(41-19)31(3,4)40)27(21)43-26(15)14-8-6-13(32)9-18(14)42-30-25(37)23(35)24(36)28(44-30)29(38)39/h5-6,8-9,11,20,23-25,28,30,32-33,35-37,40H,7,10H2,1-4H3,(H,38,39)