Cetylpyridinium chloride (CPC) is a cationic quaternary ammonium compound used in some types of mouthwashes, toothpastes, lozenges, throat sprays, breath sprays, and nasal sprays.

Biotin-4-aminophenol (BP) is a selective and potent biotin-phenol analog that works by generating free radicals and binding to tyrosine residues in proteins.

Tilmicosin is a macrolide antibiotic.