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