InChI=1S/C26H42O/c1-17(2)6-7-18(3)22-10-11-23-21-9-8-19-16-20(27)12-14-25(19,4)24(21)13-15-26(22,23)5/h6-7,9,17-20,22-24,27H,8,10-16H2,1-5H3/b7-6-