Trans-2-hexenal is an αβ-unsaturated carbonyl compound protecting plants against harmful substances.

Etifoxine is an anxiolytic and anticonvulsant drug.?Unlike benzodiazepines, etifoxine appears to produce its anxiolytic effects by binding to β2 and β3 subunits of the GABAA receptor complex, and so is acting at a different target site to benzodiazepines, although the physiological effect that is produced is similar to that of benzodiazepines.

2,6-Dimethoxyphenol is a natural product and can be used for the measurement of laccase activity.