| abstract |
(57) [Problem] To provide a novel N-hydroxyurea derivative having an antiallergic action or an antiinflammatory action. [Solution] Formula (I) N-hydroxy-N- [6- (3-pyridylmethyl) -2H-1-benzopyran-3-ylmethyl] represented by The present invention relates to urea or a pharmacologically acceptable salt thereof, or a hydrate or solvate thereof, and a medicament containing them as an active ingredient, particularly an antiallergic drug or an antiinflammatory drug, particularly an antiasthmatic drug. |