L-Buthionine Sulfoximine is a potent inhibitor of GSH synthesis.

Djenkolic Acid is a naturally occurring sulfur-containing amino acid extracted from djenkol beans and is toxic to humans, often causing kidney failure.

(S)-4CPG is a selective competitive group I mGlu antagonist.

L-NMMA acetate is a nitric oxide synthase inhibitor of all NOS isoforms including NOS1, NOS2, and NOS3. The Ki values for nNOS (rat), eNOS (human), and iNOS (mouse) are approximately 0.18, 0.4, and 6 µM, respectively.