(2R3R)-23-Butanediol is found in cocoa and cocoa products. (2R3R)-23-Butanediol is isolated from cocoa butter and roots of Ruta graveolens (rue).23-Butanediol is one of the constitutional isomers of butanediol.

cis-4-Hydroxy-D-proline belongs to the class of organic compounds known as proline and derivatives. Proline and derivatives are compounds containing proline or a derivative thereof resulting from a reaction of proline at the amino group or the carboxyl group or from the replacement of any hydrogen of glycine by a heteroatom.

Dichlobenil (2,6-dichloro-Benzonitrile) is a herbicide widely used for weed control, an olfactory toxicant, and a cellulose biosynthesis inhibitor.