2-Oxo-6-phenyl-1,2,3,6-tetrahydro-pyrimidine-4-carboxylic acid belonging to the pyrimidine family, which has been shown to have anti-inflammatory, anticonvulsant and antitumor properties.

Selaginellin has a neuroprotective effect against L-glutamate-induced neurotoxicity through mechanisms related to anti-oxidation and anti-apoptosis via scavenging reactive oxygen species and up-regulating the expression of klotho gene.

N-alpha-Tosyl-L-lysine chloromethyl ketone hydrochloride is an inhibitor of trypsin-like protease.