| abstract |
Disclosed is a JAK inhibitor or the like containing a nitrogen-containing heterocyclic compound represented by the formula (I) below or a pharmacologically acceptable salt thereof as an active ingredient. [In the formula (I), W represents a nitrogen atom or -CH-; X represents -C(=O)- or -CHR4- (wherein R4 represents a hydrogen atom or the like); R1 represents a group represented by the following formula: (wherein Q1 represents -CR8- (wherein R8 represents a hydrogen atom, a substituted or unsubstituted lower alkyl or the like) or the like; Q2 represents -NR15- (wherein R15 represents a hydrogen atom, a substituted or unsubstituted lower alkyl or the like) or the like; and R5 and R6 may be the same or different and represent a hydrogen atom, a halogen, a carboxy, a substituted or unsubstituted lower alkyl or the like) or the like; and R2 and R3 may be the same or different and represent a hydrogen atom, a halogen, a substituted or unsubstituted lower alkyl or the like.] |