Nitarsone is an organoarsenic compound that is used in poultry production as a feed additive to increase weight gain improve feed efficiency and prevent blackhead disease.

N-Methylpyrrolidone (1-Methyl-2-pyrrolidinone) is a five-membered cyclic amide. N-Methylpyrrolidone is a widely used industrial organic polar solvent in the manufacture of adhesives, paints, fuels, and pharmaceuticals.

8-Bromoguanosine is a brominated derivative of guanosine. It is activate lymphocytes through an intracellular mechanism to exert immunostimulatory effects.