(4-ethoxycarbonylphenyl) 4-butoxybenzoate

4-butoxy-N-(4-chlorophenyl)-N-hydroxybenzamide

4-butoxy-N-hydroxy-N-phenylbenzamide

(4-methylphenyl) 4-butoxybenzoate

(4-丁氧基-苯甲酰基氨基)-乙酸