Boc-trans-4-Fluoro-L-prolinetrans-4-Fluoro-L-proline, N-BOC protected(2S,4R)-4-Fluoropyrrolidine-2-carboxylic acid, N-BOC protectedN-Boc-trans-4-fluoro-L-prolineN-Boc-反式-4-氟-L-脯氨酸(2S,4S)-4-Fluoropyrrolidine-2-carboxylic acid, N-BOC protectedcis-4-Fluoro-L-prolineN-BOC protected(2S,4R)-4-Fluoropyrrolidine-1,2-dicarboxylic acid 1-tert-butyl ester