The present invention provides a novel compound having an excellent AMPA receptor
inhibitory action and/or kainate inhibitory action. A compound represented by the
following formula, a salt thereof or hydrates thereof.
##STR1##
In the formula, Q indicates NH, O or S; and R1, R2, R3,
R4 and R5 are the same as or different from each other and
each indicates hydrogen atom, a halogen atom, a C1-6 alkyl group or
a group represented by the formula —X-A (wherein X indicates a single bond,
an optionally substituted C1-6 alkylene group etc.; and A indicates
an optionally substituted C6-14 aromatic hydrocarbocyclic group or 5-
to 14-membered aromatic heterocyclic group etc.).
