an analytical procedure has been developed for the simultaneous separation and quantitation of amitriptyline ( ami ) , imipramine ( imi ) , doxepin ( dox ) , trimipramine ( tri ) , desipramine ( des ) , nortriptyline ( nor ) , desmethyldoxepin ( dmd ) , and protriptyline ( pro ) in serum using n-propionylprocainamide ( nppa ) as an internal standard .
C0002600
amitriptyline
C0028420
nortriptyline