英文别名
                        5-Hydroxy-7-methyl-1,2,3,4,6-pentaaza-3H-inden;2-Hydroxy-8-aza-purin;5-Hydroxy-7-methyl-3H-pyrimidino<4.5-d><1.2.3>triazol;7-methyl-1,4-dihydro-[1,2,3]triazolo[4,5-d]pyrimidin-5-one;1,2,3-Triazolo(5',4'-4,5)pyrimidine, 2-hydroxy-6-methyl-;7-methyl-2,4-dihydrotriazolo[4,5-d]pyrimidin-5-one