3-Pyrrolidinecarboxylic acid, 1,1′-(1,2-ethanediyl)bis[5-oxo-
3-Pyrrolidinecarboxylic acid, 1,1′-ethylenebis[5-oxo-
1,1′-(1,2-Ethanediyl)bis[5-oxo-3-pyrrolidinecarboxylic acid]
Bis-1,2-(4-carboxypyrrolidin-2-one-1-yl)ethane
1,1′-Ethylenebis(5-oxo-3-pyrrolidinecarboxylic acid)
1,1′-(ethane-1,2-diyl)bis(5-oxopyrrolidine-3-carboxylic acid)
1,1′-ethane-1,2-diylbis(5-oxopyrrolidine-3-carboxylic acid)
1-[2-(4-Carboxy-2-oxopyrrolidin-1-yl)ethyl]-5-oxopyrrolidine-3-carboxylic acid