Methyl 7-hydroxy-1,2,3,4-tetrahydro-3-isoquinoline-4-carboxylate

methyl 6-hydroxy-1,2,3,4-tetrahydroisoquinoline-1-carboxylate hydrochloride

(+/-)-7-Hydroxy-1,2,3,4-tetrahydro-3-isoquinoline-4-carboxylic acid methyl ester

1,2,3,4-Tetrahydro-6-hydroxy-1-isoquinolinecarboxylic acid methyl ester hydrochloride

6-Hydroxy-1,2,3,4-tetrahydro-isoquinoline-1-carboxylic acid methyl ester hydrochloride

1-Isoquinolinecarboxylic acid, 1,2,3,4-tetrahydro-6-hydroxy-, methyl ester, hydrochloride (1:1)