the 5,7-disubstituted s-triazolo ( 1,5-a ) pyrimidines ( tps ) trapidil and ar 12463 inhibited the thrombin-induced thromboxane ( tx ) formation in washed human platelets in a concentration-dependent manner ( ic50 : trapidil 410 mumol/l and ar 12463 9 mumol/l ) .
C0034289
pyrimidines
C0040779
trapidil