for the following products
(5R,6S)-p-Nitrobenzyl 6-[(1R)-1-hydroxyethyl]-1-azabicyclo[3.2.0]heptane-3,7-dione-2-carboxylate | Imipenem intermediate | Mother nuclide for imipenem | p-Nitrobenzyl 6-(1-hydroxyethyl)-1-azabicyclo(3.2.0) heptane-3,7-dione-2-carboxylate and 6-[(1R)-1-Hydroxyethyl]-3,7-dioxo-1-azabicyclo[3.2.0]heptane-2-carboxylic acid (5R,6S)-(4-nitrophenyl)methyl ester
