InChI=1S/C31H40O13/c1-17(2)11-12-40-23-16-41-21-10-9-18(13-22(21)44-31(23,3)4)7-6-8-19(14-32)20(15-39-5)29(38)43-30-26(35)24(33)25(34)27(42-30)28(36)37/h6-11,13,15,23-27,30,32-35H,12,14,16H2,1-5H3,(H,36,37)/b7-6-,19-8-,20-15-