英文别名4-methyl-1,5,7,9-tetrazabicyclo[4.3.0]nona-3,5,7-trien-2-one; 5-Methyl-3H-[1,2,4]triazolo[1,5-a]pyrimidin-7-one; 4,7-dihydro-5-methyl-7-oxo[1,2,4]triazolo[1,5-a]pyrimidine; [1,2,4]Triazolo[1,5-a]pyrimidin-7(1H)-one, 5-methyl-; 5-methyl-(1,2,4)Triazolo(1,5-A)pyrimidin-7(1H)-one 
