InChI=1S/C25H36O4/c1-14(2)8-17-10-16(4)25(29-17)7-6-24(5)12-18-15(3)9-21(28)23(18)19(13-26)20(27)11-22(24)25/h8-9,16-18,20,22,26-27H,6-7,10-13H2,1-5H3/b23-19+/t16-,17-,18+,20-,22+,24+,25-/m0/s1