despite the very high chemical similarity of pirenzepine ( p ) to the selected tricyclic antidepressive drugs ( tcad ) ( imipramine , desimipramine , nortriptyline and amitriptyline ) , p has a distinctly different effect on platelets , in particular , on serotonin uptake and platelet aggregation .
C0028420
nortriptyline
C0002600
amitriptyline