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(5R,6S)-4-Nitrobenzyl-3-[(2-aminoethyl)thio]-6-[(1R)-1-hydroxyethyl]-1-azabicyclo[3.2.0]hept-2-ene-7-one-2-carboxylate hydrochloride

3-Nitrobenzylammonium hydrochloride

3-Nitrobenzyl bromide

2-Nitrobenzyl bromide

3-Nitrobenzonitrile

3-Nitrobenzotrifluoride

4-Nitroanthranilic acid