<chemical> N,n-diethyl-5-methyl-1,2,4-triazolo[1,5-a]pyrimidin-7-amine. A coronary vasodilator agent. ... Pharmacological action: platelet aggregation inhibitors, vasodilator agents. ... Chemical name: (1,2,4)Triazolo(1,5-a)pyrimidin-7-amine, N,N-diethyl-5-methyl- ... (12 Dec 1998) ...