1 NNC O-[2-(1,3-dioxo-1,3-dihydro-2h-isoindol-2-yl)ethyl] (4-chlorophenyl)thiocarbamate 1.000 2 NNB O-[2-(1,3-dioxo-1,3-dihydro-2h-isoindol-2-yl)ethyl] (4-bromophenyl)thiocarbamate 0.920 3 NNI O-[2-(1,3-dioxo-1,3-dihydro-2h-isoindol-2-yl)ethyl] (4-iodophenyl)thiocarbamate 0.920