(4-acetyloxy-3-carbonochloridoylphenyl) acetate

2,5-diacetyloxybenzoic acid

1-(2,5-diacetoxy-phenyl)-2-diazo-ethanone

2-溴-2-5-二羟基苯乙酮

2-氯-1-(2,5-二羟基苯基)-乙酮