Compound according to formula (I) or a salt, ester, solvate, N-oxide, or prodrug thereof, where the substituents are as defined in the claims. Preferably R6 is H, R10 is H, and R2 is a methoxyethoxy substituent. Preferable compounds are 2-(2-methoxyethoxy)-1-(thiazol-2-yl)ethan-1-one and 13-(thiazol-2-yl)-2,5,8,11-tetraoxatridecan-13-one. Compounds according to formula I may be used in therapy, especially in the treatment or prevention of a chronic inflammatory condition or hyperproliferative disorder. Also claimed are compounds according to formula II or a salt, ester, solvate, N-oxide, or prodrug thereof for use in the treatment or prevention of a chronic inflammatory condition or hyperproliferative disorder.