1-Carboxysalsolinol 1-Isoquinolinecarboxylic acid, 1,2,3,4-tetrahydro-6,7-dihydroxy-1-methyl- 1-Methyl-6,7-dihydroxy-1,2,3,4-tetrahydroisoquinoline-1-carboxylic acid 57256-34-5 Sal-1-CA Salsolinol-1-carboxylic acid