| abstract |
A compound of the following formula (I) or its pharmaceutically-acceptable salt is provided: n n n n n n n n n n [wherein X, Y, Z and W each independently represent a methine group or a nitrogen atom, provided that a case where all of X, Y, Z and W are methine group; A represents —O— or the like, B represents —C(O)— or the like, D represent —(CH 2 )m 2 -, —O— or the like, and m2 represents 0 or 1; Q represents a methine group or a nitrogen atom; and R represents a group represented by the following formula (II-1) (wherein R 6 , R 7 and R 8 independently represent a lower alkyl group or the like]. |