HETEROBICYCLIC COMPOUNDS

摘要

The present invention provides a compound represented by formula (I): [wherein X-Y-Z represents R⁵N-C-O (wherein R⁵ represents a hydrogen atom, substituted or unsubstituted lower alkyl, substituted or unsubstituted aralkyl, substituted or unsubstituted lower alkenyl, or substituted or unsubstituted lower alkynyl), etc; R¹ and R² may be the same or different and each represents a hydrogen atom, substituted or unsubstituted lower alkyl, etc; and R³ and R⁴ may be the same or different and each represents a hydrogen atom, substituted or unsubstituted lower alkyl, etc], or a pharmaceutically acceptable salt thereof.