Then, it was found that the drugs iproniazid and imipramine could prevent the lethargy and apathy if given before the depressing drug reserpine — iproniazid and imipramine seemed to have an anti-depressant effect.

研究发现，在摄入蛇根碱前服用异内肼和异内嗪这两种药物，可阻止嗜睡和冷漠等抑郁症状的出现，也就是说，异内肼和异内嗪似乎具有抗抑郁作用。