Classification of antiplatelet drugs - COX inhibitors such as aspirin, ADP antagonist such as Clopidogrel, Ticlopidine, Prasugrel, GP IIb/IIIa antagonist-Abciximab, Eptifibatide, Tirobifan, PDE inhibitors such as Dipyridamole, PAR antagonists such as voraxapar and atopaxar