3,4,5-三甲氧基苯甲酸

(2,3-diacetyloxy-5-carbonochloridoylphenyl) acetate

3,4,5-三乙酰氧基苯甲醛

5-(2-乙酰氧基乙酰基)苯-1,2,3-三基三乙酸酯