2-Amino-5-{4-[2-(5-ethyl-2-pyridyl)ethoxy]benzyl}-4(5H)-thiazolone

2-amino-5-[4-[2-(5-ethyl-2-pyridyl)ethoxy]benzyl]-4(5h)-thiazolone ; 5-{4-[2-(5-ethyl-2-pyridy)ethoxy]benzyl}-2-imino-4-thiazolidinone ; 5-{4-[2-(5-ethyl-2-pyridyl)ethoxy]benzyl}-2-amino-4-thiazolidinone ; pioglitazone 2-imine ; pioglitazone imino impurity ; 5-[[4-[2-(5-乙基-2-吡啶基)-乙氧基]-苯基]甲基]-2-亚胺基-4-噻唑烷酮 ; 5-(4-(2-(5-ethylpyridin-2-yl)ethoxy)benzyl)-2-iminothiazolidin-4 ; 5-{4-[2-(5-ethyl-2-pyridyl)ethoxy]benzyl}-2-imino-4-thiazolidinone ; 2-amino-5-{4-[2-(5-ethyl-pyridin-2-yl)-ethoxy]- ; imino-pioglitazone