6-Diazo-5-oxo-L-nor-Leucine (L-6-Diazo-5-oxonorleucine) is a glutaminase antagonist (Ki: 6 μM) and an antineoplastic antibiotic produced by an unidentified Streptomyces species from Peruvian soil.

4-(1-Phenylethyl)resorcinol (4-(1-Phenylethyl)benzene-1,3-diol) is a skin brightening agent that is a cosmetic additive.

Cafedrine (Cafedrin) is found in tea and coffee and has a central nervous system stimulant effect.Cafedrine is often used in a 20:1 combination with a fixed dose of cortisone in the study of acute hypotension.