Loop diuretic: inhibits Na+/K+/2Cl symporter in ascending limb of loop of Henle, preventing reabsorption and thereby increasing urinary excretion of sodium, chloride, and potassium
Ethacrynic acid
Methyl isocyanate
Naphthalene
Strychnine
Monkeypox
Trientine
Caffeine
Toxic alcohols