N-乙酰-L-半胱氨酸乙酯

(9CI)-2,6-羟基-2-苯并噻唑羧酸乙酯

Ethyl 2-ethoxy-7-hydroxy-2H-benzo[1,4]thiazine-3-carboxylate

4-氨基丁酸乙酯

1-乙酰基-2,5-哌嗪二酮