Ivabradine Impurity 4

Chemical Name: N-(Demethyl)di-ithabradine HCL Impurity ; (S)-3,3'-((((3,4-dimethoxybicyclo[4.2.0]octa-1,3,5-trien-7-yl)methyl)azanediyl)bis(propane-3,1-diyl))bis(7,8-dimethoxy-1,3,4,5-tetrahydro-2H-benzo[d]azepin-2-one) hydrochloride