英文别名2-hydroxy-4-[[(2R)-2-hydroxy-2-(3-hydroxyphenyl)ethyl]-methylamino]-4-oxobutanoic acid; 2-Hydroxy-4-[[(2R)-2-hydroxy-2-(3-hydroxyphenyl)ethyl]methylamino]-4-oxo-butanoic Acid; 2-Hydroxy-4-{[(2R)-2-hydroxy-2-(3-hydroxyphenyl)ethyl](methyl)amino}-4-oxobutanoic acid; Phenylephrine Impurity 18 (Mixture of Diastereomers); 2-hydroxy-4-(((R)-2-hydroxy-2-(3-hydroxyphenyl)ethyl)(methyl)amino)-4-oxobutanoic acid; Phenylephrine Impurity 46(Mixture of Diastereomers); Phenylephrine Impurity 19 (Mixture of Diastereomers); Phenylephrine Impurity 22; Butanoic acid, 2-hydroxy-4-[[(2R)-2-hydroxy-2-(3-hydroxyphenyl)ethyl]methylamino]-4-oxo- 
