1-BOC-4-(2-CHLORO-PHENYL)-PYRROLIDINE-3-CARBOXYLIC ACID

4-(2-CHLORO-PHENYL)-PYRROLIDINE-1,3-DICARBOXYLIC ACID 1-TERT-BUTYL ESTER

1-[(TERT-BUTYL)OXYCARBONYL]-4-(2-CHLOROPHENYL)PYRROLINE-3-CARBOXYLIC ACID