Synonyms: L-Proline,4-hydroxy-, cis-;Proline, 4-allo-hydroxy- (7CI);Proline, 4-allo-hydroxy-, L-(8CI);(2S,4S)-4-Hydroxyproline;(2S,4S)-4-Hydroxypyrrolidine-2-carboxylicacid;(S)-allo-Hydroxyproline;4(S)-Hydroxy-2(S)-pyrrolidinecarboxylic acid;4-cis-Hydroxy-L-proline;L-Allohydroxyproline;L-Proline, allo-hydroxy-;L-allo-4-Hydroxyproline;L-allo-Hydroxyproline;L-cis-4-Hydroxyproline;NSC206274;allo-4-Hydroxyproline;allo-Hydroxy-L-proline;allo-L-Hydroxyproline;cis-4-Hydroxyproline;cis-Hydroxyproline;Cis-L-4-Hydroxyproline;(2S,4S)-4-Hydroxypyrrolidine-2-carboxylic acid;