2-((4-nitrophenyl)sulfonyl)-1,2,3,4-tetrahydroisoquinoline

5-amino-2-(carboxymethyl)benzoic acid

2-benzyl-4H-isoquinoline-1,3-dione

5-溴-2-(羧基甲基)苯甲酸

2-(3-氯苯基)-4H-异喹啉-1,3-二酮