THE PRESENT INVENTION RELATES TO COMPOUNDS OF GENERAL FORMULA (I) IN WHICH A, L, M, Q², Q³, Q⁴, R¹, R⁵, Rᵃ, Rᵇ, Rᶜ, W, X, Y, Z¹, Z², Z³ ARE DEFINED IN THE DESCRIPTION, THE SALTS THEREOF, PARTICULARLY THE PHYSIOLOGICALLY ACCEPTABLE SALTS THEREOF. THE COMPOUNDS ARE OF POTENTIAL UTILITY IN THE TREATMENT AND/OR PREVENTION OF INFLAMMATORY DISEASES AND ASSOCIATED CONDITIONS, IN PARTICULAR, IN THE TREATMENT AND/OR PREVENTION OF PAIN. THE INVENTION ALSO RELATES TO THE USE OF SUCH COMPOUNDS AS MEDICAMENTS, TO PHARMACEUTICAL COMPOSITIONS CONTAINING THEM, AND TO THEIR PREPARATION. (NO SUITABLE FIGURE)