英文别名N-(6-amino-1,2,3,4-tetrahydro-1-methyl-2,4-dioxo-5-pyrimidinyl)formamide; N-(6-Amino-1,2,3,4-tetrahydro-1-methyl-2,4-dioxopyrimidin-5-yl)formamide; Linagliptin Impurity 74; Formamide, N-(6-amino-1,2,3,4-tetrahydro-1-methyl-2,4-dioxo-5-pyrimidinyl)-; N-(6-amino-1-methyl-2,4-dioxopyrimidin-5-yl)formamide; n-(6-amino-1-methyl-2,4-dioxo-1,2,3,4-tetrahydropyrimidin-5-yl)formamide; N-(6-Amino-1-methyl-2,4-dioxo-1,2,3,4-tetrahydro-pyrimidin-5-yl)-formamid; 3-methyl-4-amino-5-formylamino-2,6-dioxypyrimidine; 4-Amino-5-formylamino-3-methyl-uracil; 6-amino-5-formylamino-1-methyl-1H-pyrimidine-2,4-dione 
