Provided herein are arylsulfonamide salts, e.g., a salt of a compounf of Formula I, which are useful for modulating CCR3 activity, and their pharmaceutical compositions. Also provided herein are methods of their use for treating, preventing, or ameliorating one or more symptoms of a CCR3-mediated disorder, disease, or condition.本文提供適用於調節CCR3活性之芳磺醯胺鹽,例如式I化合物之鹽;及其醫藥組合物。本文亦提供其用於治療、預防或改善CCR3介導之病症、疾病或病況之一或多種症狀之方法。