The present invention relates to: a novel four-membered cyclic nitrogen compound capable of being used as an agent for treating or preventing depression, mental disorders, premature ejaculation or neuropathic pain by highly preventing the reabsorption of a specific neurotransmitter; a pharmaceutical composition capable of inhibiting the reabsorption of seretonin and dopamine or norepinephrine and having a high effect of treating or preventing depression, mental disorders, premature ejaculation or neuropathic pain; and a preparation containing the pharmaceutical composition.
FOUR-MEMBERED CYCLIC NITROGEN COMPOUND, PHARMACEUTICAL COMPOSITION FOR PREVENTING OR TREATING DEPRESSION, MENTAL DISORDERS, PREMATURE EJACULATION OR NEUROPATHIC PAIN, CONTAINING SAME, AND PREPARATION CONTAINING PHARMACEUTICAL COMPOSITION