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(20(15-39-5)28(35)36)14-42-30-26(34)24(32)25(33)27(43-30)29(37)38/h6-11,13,15,23-27,30,32-34H,12,14,16H2,1-5H3,(H,35,36)(H,37,38)/b7-6-,19-8-,20-15-