UREA DERIVATIVES AND THEIR USE AS ANALGESICS AND ANTIINFLAMMATORY AGENTS

摘要

Compounds of formula (I) wherein: R1 is C1-4 alkyl, C1-4 alkoxy, halogen or trifluoromethyl; R2 is hydrogen or has any of the meanings given for R1; R3 is hydrogen or C1-4 alkyl and n is zero, 1 or 2, or physiologically hydrolysable and acceptable amide or salt thereof, processes for their production, their use as pharmaceuticals, e.g. as analgesics and antiinflammatory agents, and pharmaceutical compositions comprising them.