857681-76-6
(2R,3S,4R)-3-Hydroxy-4-(2-hydroxy-ethyl)-2-[(S)-1-(isopropyl-dimethyl-silanyloxy)-2-methyl-propyl]-1-(4-methoxy-benzyl)-3-methyl-5-oxo-pyrrolidine-2-carboxylic acid methyl ester
861927-69-7
(2R,3S,4R)-3-Hydroxy-4-(2-hydroxy-ethyl)-2-[(S)-1-(isopropyl-dimethyl-silanyloxy)-2-methyl-propyl]-3-methyl-5-oxo-pyrrolidine-2-carboxylic acid
857681-86-8
(2R,3S,4R)-2-((S)-1-Hydroxy-2-methyl-allyl)-1-(4-methoxy-benzyl)-3,4-dimethyl-5-oxo-3-triethylsilanyloxy-pyrrolidine-2-carboxylic acid methyl ester
857681-85-7
(2S,3S,4R)-2-Formyl-1-(4-methoxy-benzyl)-3,4-dimethyl-5-oxo-3-triethylsilanyloxy-pyrrolidine-2-carboxylic acid methyl ester
857681-82-4
(1R,4R,5S)-4-(2-Chloro-ethyl)-1-[(S)-1-(isopropyl-dimethyl-silanyloxy)-2-methyl-propyl]-5-methyl-6-oxa-2-aza-bicyclo[3.2.0]heptane-3,7-dione