| abstract |
The present invention relates to: a compound represented by formula (I) or a pharmaceutically acceptable salt thereof; and a pharmaceutical composition which contains the compound or the salt.n(In formula (I), R 1 represents a hydrogen atom, a substituted or unsubstituted alkyl, a substituted or unsubstituted aromatic carbon ring group or the like; X represents -N(R 3 )-, -O- or -S-; Y represents =C(R 4 )- or =N-; Z represents -N(R 7 )-, -O- or -S-; R 2 represents a substituted or unsubstituted alkyloxy or a group represented by formula -(CR 2a R 2b ) n -R 2c (wherein each R 2a independently represents a hydrogen atom, a halogen or the like; each R 2b independently represents a hydrogen atom, a halogen or the like; R 2a and R 2b bonded to the same carbon atom may combine together to form an oxo, a substituted or unsubstituted non-aromatic carbon ring or the like, and two R 2a moieties bonded to adjacent carbon atoms and/or two R 2b moieties bonded to adjacent carbon atoms may combine together to form a single bond; R 2c represents a substituted or unsubstituted aromatic carbon ring group or the like; and n represents an integer of 1-3); each of R 3 and R 7 independently represents a hydrogen tom, a substituted or unsubstituted alkyl or the like; each of R 4 and R 5 independently represents a hydrogen atom, a halogen, a substituted or unsubstituted alkyl or the like; and R 6 represents a hydrogen atom, a halogen, a substituted or unsubstituted alkyl or the like.) |