1-Chloroacetyl-2-[[(2-benzoyl-4-chlorophenyl)(2-chloroacetyl)amino]methylene]hydrazide-d5 is the isotope labelled analog of 1-Chloroacetyl-2-[[(2-benzoyl-4-chlorophenyl)(2-chloroacetyl)amino]methylene]hydrazide (C363470); a derivative of 2-Amino-5-chlorobenzophenone (A603490) which is a metabolite of Diazepam (D416855) with a much weaker anticonvulsant effect.