英文别名Anastrozole Mono Acid; 2-[3-(2-Cyano-2-propanyl)-5-(1H-1,2,4-triazol-1-ylmethyl)phenyl]-2-methylpropanoic acid; Anastrozole Impurity 4; 3-(1-Cyano-1-Methylethyl)-α,α-dimethyl-5-(1H-1,2,4-triazole-1-ylmethyl)-benzeneacetic acid; Benzeneacetic acid, 3-(1-cyano-1-methylethyl)-α,α-dimethyl-5-(1H-1,2,4-triazol-1-ylmethyl)-; Anastrozole Monoacid Impurity 
