Patent ID: 8507484

Claim:
A bicyclic heterocyclic compound represented by formula (IIIa): [wherein R 11e represents substituted or unsubstituted lower cycloalkyl, substituted or unsubstituted aryl, a substituted or unsubstituted aliphatic heterocyclic group, substituted or unsubstituted lower cycloalkylcarbonyl, —C(═O)NHR 15d (wherein R 15d represents substituted or unsubstituted cycloalkyl, or substituted or unsubstituted aryl), or —S(O) 2 R 17a (wherein R 17a represents substituted or unsubstituted aryl) and R 35a , R 36a , and R 37a are the same or different and each represents a hydrogen atom, or substituted or unsubstituted lower alkyl] or a pharmaceutically acceptable salt thereof.