This invention relates to new compounds, pharmaceutical compositions and
diagnostic kits comprising such compounds, and methods of using such
compounds for inhibiting NAALADase enzyme activity, detecting diseases
where NAALADase levels are altered, effecting neuronal activity, effecting
TGF-.beta. activity, inhibiting angiogenesis, and treating glutamate
abnormalities, diabetic neuropathy, pain, compulsive disorders, prostate
diseases, cancers and glaucoma.