InChI=1/C20H25NO/c1-21-12-5-8-16-6-3-4-7-17(16)14-18-9-10-20(22-2)15-19(18)11-13-21/h3-4,6-7,9-10,15H,5,8,11-14H2,1-2H3/p+1/fC20H26NO/h21H/q+1 F16AB0FE59BC3AB3