we report a method for simultaneous measurement of five commonly used tricyclic antidepressant drugs ( doxepin , desipramine , nortriptyline , imipramine , and amitriptyline ) in serum by paired-ion high-performance liquid chromatography , with use of a reversed-phase column and ultraviolet detection at 254 nm .
C0028420
nortriptyline
C0002600
amitriptyline