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![Esomeprazole sodium impurity Ⅰ 5-methoxy-2-[[(4-methoxy-3,5-dimethyl-2-pyridinyl)methyl]sulfonyl]-1H-benzimidazole;esomeprazole magnesium enteric-coated tablets impurity Ⅰ;omeprazole impurity Ⅰ; omeprazole sodium impurity Ⅰ; omeprazole magnesium enteric-coated tablets impurity Ⅰ; omeprazole EP impurity D](/upload/image/thumb/2_600_600_20250318202503181048.jpg)
![N-[[4-(5-methyl-3-phenyl-4-isoxazolyl)phenyl]sulfonyl]acetamide (Parecoxib sodium impurity 3)](/upload/image/thumb/1_300_300_20250318202503181048.jpg)
N-[[4-(5-methyl-3-phenyl-4-isoxazolyl)phenyl]sulfonyl]acetamide (Parecoxib sodium impurity 3)
