abstract |
The present invention relates to pharmaceutical compositions containing a compound represented by formula (I), or a pharmaceutically acceptable prodrug or salt thereof, or a hydrate or solvate thereof as an active ingredient,n n(wherein, nR 1 , R 2 , R 3 , and R 4 are the same as R 1 , R 2 , R 3 , and R 4 in the description of the present invention). |