1,2,3,4-Tetrahydro-6,7-dimethoxy-N-ethyl-N-(2-phenylethyl)-2-naphthalenamine hydrochloride 116680-70-7 2-((N-Ethyl,N-2-phenylethyl)amino)-6,7-dimethoxytetraline hydrochloride 2-Naphthalenamine, 1,2,3,4-tetrahydro-6,7-dimethoxy-N-ethyl-N-(2-phenylethyl)-, hydrochloride ST 577