2-Bromo-N-[4-bromo-2-(2-pyridinylcarbonyl)phenyl]-acetamide-d4 is the isotope labelled analog of 2-Bromo-N-[4-bromo-2-(2-pyridinylcarbonyl)phenyl]-acetamide (B680675); a derivative of 2-(2-Amino-5-bromobenzoyl)pyridine (A601785) which is an intermediate in the preparation of Bromazepam (B678500).