161796-78-7 1H-Benzimidazole, 5-methoxy-2-((S)-((4-methoxy-3,5-dimethyl-2-pyridinyl)methyl)sulfinyl)-, sodium salt 5-Methoxy-2-((S)-((4-methoxy-3,5-di-methyl-2-pyridyl)methyl)sulfinyl0-1H-benzimidazole sodium salt Esomeprazole Sodium Esomeprazole Sodium [USAN] H199/18 sodium