(R-cis, R'-trans)-Chloride Atracurium

Chemical Name: (1R,2S)-1-(3,4-dimethoxybenzyl)-2-(3-((5-((3-((1R,2R)-1-(3,4-dimethoxybenzyl)-6,7-dimethoxy-2-methyl-1,2,3,4-tetrahydroisoquinolin-2-ium-2-yl)propanoyl)oxy)pentyl)oxy)-3-oxopropyl)-6,7-dimethoxy-2-methyl-1,2,3,4-tetrahydroisoquinolin-2-ium chloride

Synonym: Esomeprazole USP Related Compound A ; Esomeprazole EP Impurity D = Omeprazole EP Impurity D = Esomeprazole USP RC A ; Omeprazole Sulfone ; 5-methoxy-2-[(4-methoxy-3,5-dimethylpyridin-2-yl)methanesulfonyl]-1H-benzimidazole (omeprazole sulfone),