for the following products
(3S)-1-[(1,1-Dimethylethoxy)carbonyl]-3-pyrrolidineacetic acid | (S)-2-(1-(tert-Butoxycarbonyl)pyrrolidin-3-yl)acetic acid | (S)-N-Boc-3-Pyrrolidineacetic acid | 2-[(3S)-1-[(tert-Butoxy)carbonyl]pyrrolidin-3-yl]acetic acid and (S)-(1-Boc-Pyrrolidin-3-yl)acetic acid
