rac 3-Carboxy-1,2,3,4-tetrahydroisoquinoline, DL-3-Carboxy-1,2,3,4-tetrahydroisoquinoline, 1,2,3.4-tetrahydroisoquinoline-3-carboxylic acid, 1,2,3,4-Tetrahydroisoquinoline-3Carboxylic, 3-CARBOXY-1,2,3,4-TETRAHYDROISOQUINOLINE, (+/-)-Porretine, (+/-)-1,2,3,4-tetrahydro-3-isoquinolinecarboxylic acid, 3-Isoquinolinecarboxylicacid,1,2,3,4-tetrahydro, H-DL-TIC-OH