Exemestane Tamoxifen Anastrozole IMpurity (3-(1-Cyano-1-Methylethyl)-alfa,alfa-diMethyl-5-(1H-,1,2,4-triazole-1-ylMethyl)-benzeneacetaMide) Anastrozole Impurity 3 Anastrozole IMpurity (alfa1 , alfa1, alfa3, alfa3-TetraMethyl-5-(1H-1,2,4-triazol-1-ylMethyl)-1,3-Benzenediacetic acid) Anastrozole iMpurityC Anastrozole IMpurity (2-(3-((1H-1,2,4-triazol-1-yl)Methyl)-5-(1-aMino-2-Methyl-1-oxopropan-2-yl)phenyl)-2-Methylpropanoi Anastrozole iMpurity D Anastrozole iMpurity E Anastrozole Anastrozole IMpurity (3-(1-Cyano-1-Methylethyl)-alfa,alfa-diMethyl-5-(1H-,1,2,4-triazole-1-ylMethyl)-benzeneacetic acid) 2-[3-(2-cyanopropan-2-yl)-5-(1,2,4-triazol-4-ylmethyl)phenyl]-2-methyl-propaneni