InChI=1S/C22H32O2/c1-16(2)8-6-9-17(3)10-7-11-18(4)12-13-20-15-21(23)19(5)14-22(20)24/h8,10,12,14-15,23-24H,6-7,9,11,13H2,1-5H3/b17-10+,18-12+