7-Benzyloxy-1-(4-benzyloxy-3-ethoxycarbonyloxybenzyl)-6-methoxy-3,4-dihydroisoquinoline Hydrochloride

5-[[3,4-Dihydro-6-methoxy-7-(phenylmethoxy)-1-isoquinolinyl]methyl]-2-(phenylmethoxy)phenylcarbonic Acid Ethyl Ester Hydrochloride