sodium (4-aminophenyl)sulfonyl-(2,6-dimethoxypyrimidin-4-yl)azanide; Sodium ((4-Aminophenyl)sulfonyl)(2,6-dimethoxypyrimidin-4-yl)amide; Benzenesulfonamide, 4-amino-N-(2,6-dimethoxy-4-pyrimidinyl)-, Monosodium Salt; Sodium sulfadimethoxine; Sulfadimethoxine Sodium Salt; Benzenesulfonamide, 4-amino-N-(2,6-dimethoxy-4-pyrimidinyl)-, monosodium salt; N1-(2,6-Dimethoxy-4-pyrimidinyl)sulfanilamide monosodium salt (USP)