1,9-Bis(4-fluorophenyl)nonane-1,5,9-trione-d8 O,O,O-Trimethyl Trioxime is the deuterium labelled version of 1,9-Bis(4-fluorophenyl)nonane-1,5,9-trione O,O,O-Trimethyl Trioxime (B434890), which is impurity intermediate of Ezetimibe (E975000) that is cholesterol absorption inhibitor.