This invention relates to co-crystals and salts of CCR3 inhibitors of formula 1,pharmaceutical compositions containing the same, and methods of using the same as agents for treatment and/or prevention of diseases related with the CCR3-receptor本發明係關於式1之CCR3抑制劑之共結晶體及鹽,包含其之醫藥組合物,及其用作治療及/或預防CCR3-受體相關疾病之藥劑之方法。