InChI=1S/C20H32O3/c1-14-6-5-11-20(4,22)19(21)10-8-15(2)12-18-17(9-7-14)16(3)13-23-18/h6,12,18-19,21-22H,5,7-11,13H2,1-4H3/b14-6+,15-12+/t18-,19?,20-/m0/s1