2-methoxycarbonyl-3,4-dihydro-1H-isoquinoline-1-carboxylate

2,2-bis(butoxycarbonylamino)acetic acid

双[(甲氧基羰基)氨基]乙酸

2-(1-oxo-3,4-dihydronaphthalen-2-ylidene)acetic acid

5-羟基吡嗪-2-羧酸