Ivabradine N-Oxide Impurity

Chemical Name: 3-(7,8-dimethoxy-2-oxo-4,5-dihydro-1H-benzo[d]azepin-3(2H)-yl)-N-(((S)-3,4-dimethoxybicyclo[4.2.0]octa-1(6),2,4-trien-7-yl)methyl)-N-methylpropan-1-amine oxide;

Synonym: 5-((3aS,4S,6aR)-2-oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl-6,6-d2)pentanoic acid