A drug C₁₃H₁₉NO₄S that acts on renal tubular function and is used to inhibit the excretion of some drugs (as penicillin) and to increase the excretion of urates in gout.

丙基苯甲酸；一种作用于肾管功能的药物，用于抑制某些药物如青霉素的排泄而增加尿酸排泄。化学式为 C₁₃H₁₉NO₄S。