API |
IMPURITY |
CHEMICAL NAME |
STRUCTURE |
Pioglitazone |
EP Impurity C |
5-(4-(2-(5-ethylpyridin-2-yl)ethoxy)benzyl)-3-(2-(5-ethylpyridin-2-yl)ethyl)thiazolidine-2,4-dione |  |
Pioglitazone |
EP Impurity B |
5-{4-[2-(5-Ethyl-2-pyridinyl) ethoxy]benzylidene}-2,4-thiazolidinedione |  |
Pioglitazone |
Pioglitazone Imino Impurity |
5-(4-(2-(5-ethylpyridin-2-yl)ethoxy)benzyl)-4-iminothiazolidin-2-one |  |
Pioglitazone |
Pioglitazone Impurity |
5-{4-[2-(5-Ethyl-2-pyridyl)ethoxy]benzyl}-4-[4-[2-(5-ethyl-2-pyridyl)ethoxy]phenoxy]-2,5-dihydro-1,3-thiazole-2-one |  |