1 J30 4-[4-(naphthalen-1-ylmethyl)piperazin-1-yl]-4-oxobutane-1-thiol 1.000 2 T4V 1-{4-[(naphthalen-1-yl)methyl]piperazin-1-yl}ethan-1-one 0.870 3 KS0 1-{4-[(4-fluorophenyl)methyl]piperazin-1-yl}propan-1-one 0.708