英文同义词
Pemetrexed Impurity 12;4-(3-bromo-4-oxobutyl)Benzoic acid methyl ester;Pemetrexed disodium intermediate T3;Methyl 4-(3-Bromo-4-Oxobutyl)Benzoate;Benzoic acid, 4-(3-bromo-4-oxobutyl)-, methyl ester;methyl 4-(3-bromo-4-oxobutyl)benzoate? (Pemetrexed Impurity)