4-Azido-L-phenylalanine (p-Azido-L-phenylalanine) is an amino acid derivative that acts as a photoaffinity marker and can be used to detect localized protein environments.

1H-Pyrazole is a versatile building block with a vast applications in organic synthesis. The derivatives of Pyrazole are used in medicine for their analgesic anti-inflammatory antipyretic antiarrhythmic tranquilizing muscle relaxing psychoanaleptic anticonvulsant monoamineoxidase inhibiting antidiabetic and antibacterial activities.

Z-VRPR-FMK (TFA) (VRPR) is a tetrapeptide and a selective and irreversible inhibitor of lymphoma translocation protein 1 (MALT1) in mucosa-associated lymphoid tissue.