InChI=1S/C21H34O2/c1-7-14(3)19-16(5)12-17-11-13(2)10-15(4)20(17)21(19,6)18(23)8-9-22/h8-9,12-15,17,19-20,22H,7,10-11H2,1-6H3/b9-8-/t13-,14+,15+,17+,19-,20-,21-/m0/s1