Caffeidine20041-90-1VT2A7LG4EQ1H-Imidazole-5-carboxamide, N,1-dimethyl-4-(methylamino)-DTXSID80173862RefChem:122661DTXCID5096353N,1-dimethyl-4-(methylamino)-1H-imidazole-5-carboxamideCaffeine EP Impurity EN,3-dimethyl-5-(methylamino)imidazole-4-carboxamide