<P>PROBLEM TO BE SOLVED: To provide a compound useful for the treatment of an affective disorder including depression, and anxiety disorder such as general anxiety disorder, panic disorder and obsessive compulsive disorder. <P>SOLUTION: The compound is expressed by formula (X is O or S; p is 0, 1, 2, 3, 4, 5, 6, 7 or 8; q is 0, 1, 2, 3 or 4; s is 0, 1, 2, 3, 4 or 5; R<SP>1</SP>groups are each independently a 1-6C alkyl; R<SP>2</SP>groups are each independently a halogen, cyano, nitro, a 1-6C alkyl, alkenyl or alkynyl or the like; and R<SP>3</SP>groups are each independently a halogen, cyano, nitro, a 1-6C alkyl, alkenyl, alkynyl or the like). <P>COPYRIGHT: (C)2007,JPO&INPIT 
PHENYLPIPERAZINE DERIVATIVE AS SEROTONIN REUPTAKE INHIBITOR