ethyl 7-methyl[1,2,4]triazolo[2,3-a]pyrimidine-6-carboxylate
7-methyl-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxylic acid
7-Methyl-s-triazolo<1,5-a>pyrimidin
2-hydrazino-4-methyl-pyrimidine-5-carboxylic acid ethyl ester
2-benzylamino-4-methylpyrimidine-5-carboxylic acid ethyl ester