| abstract |
The present invention provides a low molecular weight compound having EPO production-promoting action and/or hemoglobin production-promoting action. The present invention relates to a fused piperidine compound represented by the following general formula (1):n n(wherein, ring A represents a C 10-14 aryl group or 5- to 10-membered heterocyclic group, ring B represents a C 6-14 alkyl group, X represents N-R 7 , a sulfur atom or an oxygen atom, R 1 , R 2 , R 2' , R 3 and R 3' independently represent a hydrogen atom, C 1-6 alkyl group or C 3-6 cycloalkyl group, and R 4 , R 5 and R 6 independently represent a hydrogen atom or halogen atom), or a salt thereof, or a solvate thereof. |