Acetyl Coenzyme A trisodium (Acetyl-CoA trisodium) is an important compound in glucose metabolism and lipid metabolism and is involved in the tricarboxylic acid cycle.

Malonic acid (propanedioic acid) is the archetypal example of a competitive inhibitor: it acts against succinate dehydrogenase (complex II) in the respiratory electron transport chain. Malonic acid is found to be associated with malonyl-CoA decarboxylase deficiency which is an inborn error of metabolism.

2,7-Dibromo-9H-Carbazole is a marine derived natural products found in Kyrtuthrix maculans.