(S)-1-((E)-3-Ethoxycarbonyl-2-methyl-acryloyl)-pyrrolidine-2-carboxylic acid tert-butyl ester

Butanedioic acid, 2-hydroxy-2-(hydroxymethyl)-, dimethyl ester, (S)-

dimethyl (S)-2-(tosyloxymethyl)malate

甲基(3S)-3-羟基-5-氧代四氢-3-呋喃羧酸酯

dimethyl (R)-2-methyl-2-((trimethylsilyl)oxy)succinate