InChI=1S/C21H34O3/c1-7-13(3)18-20(5,16(23)8-9-22)17-14(4)10-12(2)11-15(17)19-21(18,6)24-19/h8-9,12-15,17-19,23H,7,10-11H2,1-6H3/b16-8-/t12-,13+,14+,15-,17-,18+,19+,20+,21-/m0/s1