serum levels of amitriptyline and its four main metabolites ( nortriptyline , desmethylnortriptyline , trans-10-hydroxy-amitriptyline and trans-10-hydroxy-nortriptyline ) in a patient receiving 150 mg of amitriptyline daily , are reported .
C0028420
nortriptyline
C0002600
amitriptyline