InChI=1S/C22H30O2/c1-17(9-6-7-14-23)10-8-11-18(2)12-13-21-19(3)15-20(24)16-22(21,4)5/h6-14,20,24H,15-16H2,1-5H3/b7-6+,10-8+,13-12+,17-9+,18-11+/t20-/m1/s1