Synonyms: 2-Ethyl-1,2,3,4-tetrahydro-3-isoquinolinecarboxylic acid;2-ethyl-1,2,3,4-tetrahydroisoquinoline-3-carboxylic acid(SALTDATA: HCl);3-Isoquinolinecarboxylic acid, 2-ethyl-1,2,3,4-tetrahydro-;3-Isoquinolinecarboxylic acid, 1,2,3,4-tetrahydro-2-ethyl-