(2S,4S)-2-[[(氨基磺酰基)(叔丁氧羰基)氨基]甲基]-4-巯基-1-吡咯烷羧酸叔丁酯

2-Methyl-2-propanyl (2S,4S)-4-(acetylsulfanyl)-2-{[{[(2-methyl-2- propanyl)oxy]carbonyl}(sulfamoyl)amino]methyl}-1-pyrrolidinecarbo xylate

反式-4-羟基-L-脯氨酸甲酯

(2S,4R)-1-p-methoxybenzyloxycarbonyl-4-hydroxypyrrolidine-2-carboxylic acid methyl ester

(2S,4R)-1-p-methoxybenzyloxycarbonyl-4-methanesulfonyloxypyrrolidine-2-carboxylic acid methyl ester