1 K8B 4-[2-(4-propan-2-ylphenyl)ethyl]-1-[(~{E})-prop-1-enyl]piperidine 1.000 2 K6Q 4-[(~{E})-2-(4-fluorophenyl)ethenyl]-1-[(~{E})-prop-1-enyl]piperidine 0.810 3 K72 1-[(~{E})-prop-1-enyl]-4-[(~{E})-2-[4-(trifluoromethyl)phenyl]ethenyl]piperidine 0.783