These compounds are found naturally in tissues of plants but can also be obtained through the oxidation of phenolic compounds in plants.

Dentro de este grupo, el Diclone es el único producto de amplio uso en tratamiento de semillas y control de algas. Within this group, the Diclone is the only product widely used in seed treatment and control of algae. Este compuesto actúa inhibiendo la respiración celular de los hongos. This compound acts by inhibiting cell respiration of the fungi.