| abstract |
The present invention relates to general formula [I]: [Wherein R 1 is a hydrogen atom, F, CN or the like; R 1 ′ is a hydrogen atom or an optionally substituted lower alkyl group; R 2 is O, S, SO, SO 2 or the like. R 3 is an optionally substituted phenyl group; X 1 , X 2 , and X 3 are each independently CH, N, etc. provided that X 1 , X 2 , and X 3 has 0 to 1 N; W is the following group: Here, W 1 , W 2 , and W 3 are each independently CH, N, and the like. Or a pharmaceutically acceptable salt or ester thereof. |