Chemical Name: (2S,3S,4S,5R,6S)-6-((3-(butylamino)-4-phenoxy-5-sulfamoylbenzoyl)oxy)-3,4,5-trihydroxytetrahydro-2H-pyran-2-carboxylic acid
Synonym: Esomeprazole Sodium ; 6-Methoxy-2-[(S)-[(4-methoxy-3,5-dimethyl-2-pyridinyl)methyl]sulfinyl]-1H-benzimidazole sodium salt