InChI=1S/C28H46O2/c1-18(2)8-7-9-19(3)21-11-14-28(6)23-17-25(30)24-16-20(29)10-13-26(24,4)22(23)12-15-27(21,28)5/h8,19-21,24-25,29-30H,7,9-17H2,1-6H3