The present invention provides a novel compound having an agonist action at AT 2 receptor and expected as a pharmaceutical product, and also provides a method of treating or preventing various diseases. The novel sulfonyl malonamide derivative, or a pharmacologically acceptable salt thereof or a solvate thereof of the present invention has therapeutic and/or preventive effect(s) on various diseases due to its agonist action at AT 2 receptor, and is useful as a pharmaceutical agent for the treatment and/or prevention of diseases involving the renin-angiotensin-aldosterone system (RAAS).
