2-benzylsulfanyl-5,7-dipropyl-[1,2,4]triazolo[1,5-a]pyrimidine
2-(4-methyl-benzylsulfanyl)-5,7-dipropyl-[1,2,4]triazolo[1,5-a]pyrimidine
5,7-dipropyl-2-phenylmethanesulfonyl-[1,2,4]triazolo[1,5-a]pyrimidine
5,7-dipropyl-2-p-tolylmethanesulfonyl-[1,2,4]triazolo[1,5-a]pyrimidine