N-(4-Bromo-2-picolinoylphenyl)-2-chloroacetamide-d4 is the isotope labelle danalog of N-(4-Bromo-2-picolinoylphenyl)-2-chloroacetamide. N-(4-Bromo-2-picolinoylphenyl)-2-chloroacetamide is a derivative of 2-(2-Amino-5-bromobenzoyl)pyridine (A601785); an intermediate in the preparation of Bromazepam (B678500).