[[(7S)-3,4-Dimethoxybicyclo[4.2.0]octa-1,3,5-trien-7-yl]methyl]-carbamic Acid Ethyl Ester is an intermediate in the synthesis of ent-Ivabradine Hydrochloride (I940505), which is the enantiomer of Ivabradine Hydrochloride (I940500); a selective bradycardic agent with direct effect on the pacemaker If current of the sinoatrial node. Also an antianginal.