| abstract |
The invention relates to compounds of the formula (I) (see formula I) in which R1, R2, X, A, B, D and Y1 to Y4 have the meanings indicated in the claims, and / or a pharmaceutically acceptable salt and / or a prodrug thereof; Due to their properties as chemokine receptor inhibitors, especially as CXCR2 inhibitors, the compounds of formula I and the pharmaceutically acceptable salts and prodrugs thereof are suitable for the prevention and treatment of chemokine-mediated diseases. |