1-(tert-butoxycarbonyl)-(4S)-fluoro-(2S)-pyrrolidinylcarboxylic, N-tert-butoxycarbonyl-cis-4-fluoro-L-proline, N-(tert-Butoxycarbonyl)-cis-4-fluoro-L-proline, BOC-CIS-4-FLUORO-L-PROLINE, 1-(tert-butoxycarbonyl)-(4S)-fluoropyrrolidine-(2S)-carboxylic acid, (2S,4S)-1-Boc-4-fluoro-2-pyrrolidinecarboxylic Acid, BOC-CIS-4-FLUORO-PRO-OH, N-Boc-cis-4-fluoro-L-proline, (2S,4S)-1-(tert-Butoxycarbonyl)-4-fluoropyrrolidine-2-carboxylic acid, BOC-CIS-PRO(4-F)-OH, (2S,4S)-N-Boc-4-fluoroproline, BOC-FLP-OH, (4S)-1-(tert-butoxycarbonyl)-4-fluoro-L-proline, (2S,4S)-1-(tert-Butoxycarbonyl)-4-fluoro-2-pyrrolidinecarboxylic Acid, Boc-cis-4F-Pro