Furosemide (5-(aminosulfonyl)-4-chloro-2-((furanylmethyl)amino)benzoic acid), also known as frusemide or fursemide[8], a derivative of anthranilic acid, is one of the most commonly used diuretics. It is a
loop diuretic, and is frequently employed in the treatment of congestive
heart failure, chronic renal failure, edemas, and hypertension.