N-(Hydroxymethyl)succinimide

3-hydroxy-1-methylpyrrolidine-2,5-dione

1-benzyl-3,4-dihydroxypyrrolidine-2,5-dione

2,5-Dioxo-1-pyrrolidineacetic acid

2-(3,3-dimethyl-2,5-dioxopyrrolidin-1-yl)acetic acid

3-(1H-Pyrrol-2-yl)propanoic acid

2-(Carboxymethyl)-1-methyl-1H-pyrrole-3-carboxylic acid

5-(Trifluoromethyl)-1H-pyrrole-2-carboxylic acid

5-Bromo-1H-Pyrrole-2-Carboxylic Acid

4-Iodo-1H-pyrrole-2-carboxylic acid

4-Fluoro-1H-pyrrole-2-carboxylic acid

4-Chloro-1H-pyrrole-2-carboxylic acid