InChI=1S/C26H42O4/c1-16-23-22(30-26(16,29)10-4-5-13-27)15-21-19-7-6-17-14-18(28)8-11-24(17,2)20(19)9-12-25(21,23)3/h6,16,18-23,27-29H,4-5,7-15H2,1-3H3/t16-,18-,19?,20?,21?,22?,23?,24-,25-,26+/m0/s1