3-Bromo-D-phenylalanine, can be used in the synthesis of various chemical compounds, such as 3-(Methylsulfonyl)-D-phenylalanine Hydrochloride (M326188), which has been found to be a potent LFVIP(LA)1/ICAM-1 Antagonist SAR 1118 as an Ophthalmic Solution for treating dry eye.