1293039-32-3

1-(3,4-Difluorobenzyl)-5-oxopyrrolidine-3-carboxylic acid 1-[(3,4-difluorophenyl)methyl]-5-oxopyrrolidine-3-carboxylic acid 3-Pyrrolidinecarboxylic acid, 1-[(3,4-difluorophenyl)methyl]-5-oxo- (3S)-1-[(3,4-difluorophenyl)methyl]-5-oxopyrrolidine-3-carboxylic acid