InChI=1S/C23H34O4/c1-22-8-7-17-14-3-4-16(25)12-15(11-14)20(26)13-18(17)19(22)5-6-21(22)23(2,27)9-10-24/h3,13,15-17,19,21,24-25,27H,4-12H2,1-2H3/t15-,16-,17+,19-,21-,22-,23-/m0/s1