2-[(5-溴-2-吡啶)氧基]乙酸

2-羟基-1-(1-哌啶基)乙酮

2-羟基-1-(4-甲基-1-哌嗪基)乙酮

methyl 2-carbonochloridoyloxyacetate

methyl 2-(4-sulfamoylphenoxy)acetate