Pioglitazone

5-[[4-[2-(5-Ethylpyridin-2-yl)ethoxy]phenyl]methyl]thiazolidine-2,4-dione

5-({4-[2-(5-ethylpyridin-2-yl)ethoxy]phenyl}Methyl)-1,3-thiazolidine-2,4-dione hydrochloride