D-gluconic acid is a carboxylic acid that has antiseptic and chelating properties through oxidation.

Orobanchyl acetate, a natural strigolactone, is a germination stimulant for root parasitic plants.

Crotonic acid is fatty acid formed by the action of fatty acid synthases from acetyl-CoA and malonyl-CoA precursors. It is involved in the fatty acid biosynthesis. It is also found in water extracts from carrot seeds (Daucus carota L.).