4-Nitrobenzyl (4R,5S,6S)-3-[(Diphenylphosphono)oxy]-6-[(R)-1-hydroxyethyl-4-methyl-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylate, CAS [[90776-59-3]]
4-Nitrobenzyl (4R,5S,6S)-3-[(Diphenylphosphono)oxy]-6-[(R)-1-hydroxyethyl-4-methyl-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylate, CAS [[90776-59-3]]
4-Nitrobenzyl (4R,5S,6S)-3-[(Diphenylphosphono)oxy]-6-[(R)-1-hydroxyethyl-4-methyl-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylate, CAS [[90776-59-3]]