The present invention provides a pyrrolidine compound of General Formula (1) or a salt thereof, wherein R 101 and R 102 are each independently a phenyl group, which may have one or more substituents selected from halogen atoms and lower alkyl groups optionally substituted with one or more halogen atoms, etc. The pyrrolidine compound or a salt thereof of the present invention is usable to produce a pharmaceutical preparation having a wider therapeutic spectrum and being capable of exhibiting sufficient therapeutic effects after short-term administration.