Cyprodinil-d5(CGA-219417-d5) is the deuterium labeled Cyprodinil (HY-116214). Cyprodinil (CGA-219417) is a broad-spectrum anilinopyrimidine fungicide and an activator of the aryl hydrocarbon receptor. Cyprodinil also has anti-androgenic and androgenic activities. Cyprodinil can inhibit the biosynthesis of methionine in plant-pathogenic fungi and protect fruits and vegetables from a variety of pathogens[1].