2-(1-(tert-butoxycarbonyl)pyrrolidin-2-yl)acetic acid; (S)-2-(1-Boc-2-pyrrolidinyl)acetic acid; 2-Pyrrolidineacetic acid, 1-[(1,1-dimethylethoxy)carbonyl]-; 2-carboxymethyl-pyrrolidine-1-carboxylic acid tert-butyl ester; 2-[1-[(2-methylpropan-2-yl)oxycarbonyl]pyrrolidin-2-yl]acetic Acid; 2-(1-(tert-butoxycarbonyl)pyrrolidin-2-yl)acetic acid; 1-Boc-2-pyrrolidineacetic acid; N-Boc-pyrrolidin-2-yl-acetic acid; 2-{1-[(tert-butoxy)carbonyl]pyrrolidin-2-yl}acetic acid; N-Boc-2-pyrrolidineacetic acid; 2-[(2S)-1-[(2-methylpropan-2-yl)oxycarbonyl]pyrrolidin-2-yl]acetic acid