[Des-Tyr1]-gamma-Endorphin is a neuropeptide, which can be found in human cerebrospinal fluid. [Des-Tyr1]-gamma-Endorphin exhibits antidepressant efficacy, facilitates the extinction of active avoidance and attenuates the passive avoidance behavior in rats.

2-(2-bromophenyl)-5-chloro-4H-3,1-benzoxazin-4-one is an human neutrophil elastase inhibitor.

Cinromide (3-bromo-N-ethylcinnanamide) is used as novel anticonvulsant agent.