a simple normal-phase ( silica ) , high-performance liquid chromatographic ( hplc ) assay of amitriptyline ( ami ) , doxepin ( dox ) , imipramine ( imi ) , nortriptyline ( nort ) , desmethyldoxepin ( desdox ) , desipramine ( desip ) , and protriptyline ( pro ) in serum with no coelution is described here .
C0002600
amitriptyline
C0028420
nortriptyline