BOC-PRO-PNA

BOC-L-PROLINE P-NITROANILIDE

BOC-L-PROLINE 4-NITROANILIDE

N-ALPHA-T-BUTOXYCARBONYL-L-PROLINE P-NITROANILIDE

(S)-tert-butyl 2-(4-nitrophenylcarbamoyl)pyrrolidine-1-carboxylate

N-ALPHA-T-BUTOXYCARBONYL-L-PYRROLIDINE-2-CARBOXYLIC ACID P-NITROANILIDE