InChI=1S/C34H52O4/c1-24(2)14-10-15-25(3)16-11-17-26(4)18-12-19-27(5)20-13-21-28(6)22-23-30-29(7)31(35)33(37-8)34(38-9)32(30)36/h14,16,18,20,22,35-36H,10-13,15,17,19,21,23H2,1-9H3/b25-16+,26-18+,27-20+,28-22+