1-(3',4'-Dihydroxybenzyl)-2-n-propyl-1,2,3,4-tetrahydroisoquinoline hydrochloride 4-((2-Propyl-1,2,3,4-tetrahydroisoquinolin-1-yl)methyl)pyrocatechol hydrochloride 57464-68-3 Pyrocatechol, 4-((2-propyl-1,2,3,4-tetrahydroisoquinolin-1-yl)methyl)-, hydrochloride