The invention provides compounds of formula (I) wherein R1, R3, L1, L2, G1, G2, A and m are as defined in the specification and optical isomers, racemates and tautomers thereof, and pharmaceutically acceptable salts thereof； together with processes for their preparation, pharmaceutical compositions containing them and their use in therapy. The compounds are inhibitors of microsomal prostaglandin E synthase-1.Jedinjenje formule (I) ili njegova farmaceutski prihvatljiva so:A je fenil ili piridinil；R1 predstavlja do dva supstituenta nezavisno odabrana od halogena, C(1-3)alkoksi, C(1-3)fluoroalkila, cijano, fenil, C(1-3)fluoroalkoksi, C(1-6)alkil i C(3-6)cikloalkila；R2 je vodonik, halogen ili C(1-4)alkil；B je 7 člani zasićen prsten odabran od slededećih:R3 je vodonik ili (CH2)1-4CO2H；R4 je vodonik；Prijava sadrži još 10 patentnih zahteva.
