Adrenocorticotropic Hormone (ACTH) (1-39) human(TFA),a member of the melanocortin family, is a melanocortin receptor agonist. It stimulates production of CS by the adrenals, but melanocortin receptors are also found in the central nervous system (CNS) and on immune cells.

Potassium 7-hydroxy-1-naphthalenesulfona is naturally present in the fruit of the Rubiaceae gardenia, the flowers of the Iridaceae crocus, and the flowers and leaves of the Scrophulariaceae Scrophulariaceae.

PF-1355 is a selective 2-thiouracil mechanism-based MPO inhibitor. PF-1355 is used for treatment of vasculitic diseases.