(3R,4S)-3-Amino-1-[(2S)-2-amino-1-oxopropyl]-4-(3-boronopropyl)-3-pyrrolidinecarboxylic Acid Dihydrochloride is a salt analog of (3R,4S)-3-Amino-1-[(2S)-2-amino-1-oxopropyl]-4-(3-boronopropyl)-3-pyrrolidinecarboxylic Acid (CAS# 2095732-06-0), which inhibits arginase 1 (Arg1) enzyme and blocks myeloid cell-??mediated immune suppression in the tumor microenvironment.
