2-氨基苯硫醇

2H-1,4-苯并噁嗪-3(4H)-硫酮

2-azidocarbonylmethoxy-benzoyl azide

2-(乙氧基羰基甲氧基)苯甲酸乙酯

2-hydrazinocarbonylmethoxy-benzoic acid hydrazide