2-羟乙基对羟基苯甲酸

4-[4-(4-hydroxybenzoyl)oxybenzoyl]oxybenzoic acid

(4-carbonochloridoylphenyl) ethyl carbonate

N-[(4-bromophenyl)-[(3-methylbenzoyl)amino]methyl]-3-methylbenzamide

(2,4-dinitrophenyl) ethyl carbonate