| abstract |
The present invention relates to a novel compound having xanthine oxidase inhibitory action and uric acid excretion promoting action, and a pharmaceutical composition containing the same as an active ingredient. That is, the present invention provides a nitrogen-containing heterocyclic compound represented by the following general formula (I), wherein Y 1 is N or C (R 4 ); Y 2 is N or C (R 5 ); R 4 and R 5 are Independently an alkyl group, a hydrogen atom, etc .; R 1 and R 2 Any one may be a substituted aryl group, an alkoxy group or a substituted heterocyclic group; The other of R 1 and R 2 is a haloalkyl group, cyano group, halogen atom, or the like; R 3 is a 5-tetrazolyl group or a carboxy group) or a pharmaceutically acceptable salt thereof, and a pharmaceutical composition containing them as an active ingredient. |