英文名称
3-(Carboxymethyl)-1-[2-(2,2-dimethylbutanoyloxy)-1-hydroxyethyl]-4-prop-1-en-2-ylpyrrolidine-2-carboxylic acid;4-[2-(3-carboxypropanoyloxy)-3-(2,2-dimethylbutanoyloxy)propoxy]-4-oxobutanoic acid;1-[2-(2,2-dimethylbutanoyloxy)-1-hydroxyethyl]pyrrolidine-2-carboxylic acid