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trans-3-Hydroxy-L-proline4298-08-252 % similar cis-4-Hydroxy-D-proline2584-71-648 % similar (2R,4S)-4-Hydroxypyrrolidine-2-carboxylic acid3398-22-948 % similar L-Thioproline34592-47-748 % similar 4-Thiazolidinecarboxylic acid444-27-948 % similar Hydroxyproline51-35-448 % similar cis-4-Hydroxy-L-proline618-27-948 % similar Isonipecotic acid498-94-248 % similar Octahydroindole-2-carboxylic acid80828-13-347 % similar (2S,3AS,7aS)-2-carboxyoctahydroindole80875-98-547 % similar 1,4-Cyclohexanedicarboxylic acid1076-97-746 % similar (±)-trans-1,2-Cyclobutanedicarboxylic acid1124-13-646 % similar Cyclopropanecarboxylic acid1759-53-146 % similar 1,4-Cyclohexanedicarboxylic acid619-81-846 % similar trans-1,4-Cyclohexanedicarboxylic acid619-82-946 % similar (4S)-4-Cyclohexyl-L-proline103201-78-145 % similar (2R,4S)-4-Fluoropyrrolidine-2-carboxylic acid131176-02-845 % similar (2S,4S)-4-Fluoro-pyrrolidine-2-carboxylic acid2438-57-545 % similar (4R)-4-Fluoro-L-proline2507-61-145 % similar (S)-6-Oxo-2-piperidinecarboxylic acid34622-39-445 % similar