英文别名Lifitegrast impurity 4 (hydrochloride); Lifitegrast Impurity 2; benzyl (2R)-2-amino-3-(3-methylsulfonylphenyl)propanoate;hydrochloride; 3-(Methylsulfonyl)-D-phenylalanine phenylmethyl ester hydrochloride; Benzyl (R)-2-amino-3-(3-(methylsulfonyl)phenyl)propanoate HCl; Lifitegrast Impurity 4 HCl; Lifitegrast RC1; Lifitegrast Impurity 15; Lifitegrast Impurity 3 HCl; Lifitegrast Impurity 6 HCl 
