Maleate addition salt of hydropyridine derivatives

This invention claims an - diamido-2 pyridine derivative is of the alkali, comprising an oral sediment, mass of the activity of a platelet sintering inhibitory effect; the toxicity is thereof, and of the insulation and processing stability, and medicament for the prophylaxis or medication of the preferably of the plug (a) medication), the prophylaxis or medication of more preferably thrombosis or plug (especially medication)]Is arranged.