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Thiomorpholine-3-carboxylic acid20960-92-3100 % similar L-Thioproline34592-47-766 % similar 4-Thiazolidinecarboxylic acid444-27-966 % similar Azetidine-2-carboxylic acid2133-34-855 % similar (±)-2-Azetidinecarboxylic acid2517-04-655 % similar D-Azetidine-2-carboxylic acid7729-30-855 % similar Proline147-85-352 % similar D-Proline344-25-252 % similar DL-Proline609-36-952 % similar (S)-Piperazine-2-carboxylic acid147650-70-250 % similar Thiazolidine-2-carboxylic acid16310-13-750 % similar (+)-Pipecolic acid1723-00-850 % similar Pipecolic acid3105-95-150 % similar (R)-Piperazine-2-carboxylic acid31321-68-350 % similar Pipecolic acid4043-87-250 % similar Pipecolic acid535-75-150 % similar Thiazolidine-2-carboxylic acid65126-70-750 % similar Ethyl thiomorpholine-3-carboxylate58729-31-049 % similar Ethylenediamine-N,N'-disuccinic acid20846-91-748 % similar (S)-Morpholine-3-carboxylic acid106825-79-047 % similar