3-hydroxy-5-methylpyrrolidine-2-carboxylic acid;3-hydroxy-5-methyl-pyrrolidine-2-carboxylic acid;3-hydroxy-5-methyl-2-pyrrolidinecarboxylic acid;3-hydroxy-5-methyl-proline
3-hydroxy-5-methylpyrrolidine-2-carboxylic acid