顺式-4-羟基-D-脯氨酸

N-重氮基氨基甲酸叔-丁基酯

(2R,4R)-2-ethoxycarbonyl-4-hydroxypyrrolidine hydrochloride

N-(tert-Butoxycarbonyl)-allo-4-hydroxy-D-proline Ethyl Ester p-Toluenesulfonate

(4S)-1-乙酰基-4-羟基-D-脯氨酸