The present invention relates to pyrazole compounds of formula (I) and pharmaceutically acceptable salts thereof having CRTH2-activity,wherein W, L1, L2, X, L3, Y, R1and R2are as definied in the specification and claims, to their use as medicaments and to pharmaceutical formulations, containing said compounds or containing a combination of said compounds with one or more active substances.本發明係關於具有CRTH2-活性之式(I)之吡唑化合物及其醫藥上可接受之鹽,其中W、L1、L2、X、L3、Y、R1及R2係如說明書及申請專利範圍中所定義;係關於其作為藥劑之用途且係關於含有該等化合物或含有該等化合物與一或多種活性物質之組合之醫藥調配物。