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(2R,4S)-4-Fluoropyrrolidine-2-carboxylic acid131176-02-8100 % similar (2S,4S)-4-Fluoro-pyrrolidine-2-carboxylic acid2438-57-5100 % similar (4R)-4-Fluoro-L-proline2507-61-1100 % similar (4R)-4-Fluoro-L-proline hcl60604-36-689 % similar cis-4-Hydroxy-D-proline2584-71-660 % similar (2R,4S)-4-Hydroxypyrrolidine-2-carboxylic acid3398-22-960 % similar Hydroxyproline51-35-460 % similar cis-4-Hydroxy-L-proline618-27-960 % similar (2R,4S)-4-Hydroxypyrrolidine-2-carboxylic acid hydrochloride142347-81-755 % similar (2R,4R)-4-Hydroxypyrrolidine-2-carboxylic acid hydrochloride77449-94-655 % similar (4S)-4-Cyclohexyl-L-proline103201-78-151 % similar (4R)-4-(1,1-Dimethylethoxy)-L-proline79775-07-847 % similar trans-4-Cyclohexyl-L-proline hydrochloride90657-55-947 % similar (2R,4R)-4-Methylpiperidine-2-carboxylic acid74892-81-246 % similar (S)-Piperazine-2-carboxylic acid147650-70-245 % similar (R)-Piperazine-2-carboxylic acid31321-68-345 % similar Azetidine-2-carboxylic acid2133-34-845 % similar (±)-2-Azetidinecarboxylic acid2517-04-645 % similar D-Azetidine-2-carboxylic acid7729-30-845 % similar L-Proline, 4-phenyl-, hydrochloride (1:1), (4S)-90657-53-744 % similar