Synonyms: (6,7-dihydroxy-3,4-dihydroisoquinolinium-2-yl)acetate;79611-85-1;2-Carb me-diq;2-Carboxymethyl-6,7-dihydroxy-3,4-dihydroisoquinolinium;AC1L4TBI;68351-63-3;AC1Q22BU;KST-1A8278;AR-1A6725;2-(6,7-dihydroxy-3,4-dihydroisoquinolin-2-ium-2-yl)acetate;Isoquinolinium, 2-(carboxymethyl)-3,4-dihydro-6,7-dihydroxy-, hydroxide, inner salt