InChI=1S/C39H54O6/c1-34(2)18-20-39(33(43)44)21-19-37(6)26(27(39)22-34)13-14-30-36(5)23-28(41)32(35(3,4)29(36)16-17-38(30,37)7)45-31(42)15-10-24-8-11-25(40)12-9-24/h8-13,15,27-30,32,40-41H,14,16-23H2,1-7H3,(H,43,44)/b15-10-