(4S)-4-Fluoro-D-proline

trans-4-Fluoro-D-proline

(2R,4S)-4-fluoro-2-proline

(2R,4S)-4-fluoropyrrolidinium-2-carboxylate

(2R,4S)-4-Fluoro-2-pyrrolidinecarboxylic acid

(2R,4S)-4-fluoropyrrolidine-2-carboxylic acid