PNB (4R,5S,6S)-3-(diphenyloxy)phosphoryloxy-6-[(1R)-1-hydroxyethyl]-4-methyl-7-oxo-1-azabicyclo[3,2,0]hept-2-ene-2-carboxylate. or
PNB (1R,5S,6S)-2-(diphenyloxy)phosphoryloxy-6-[(1R)-1-hydroxyethyl]-1-methyl-1-carbapen-2-em-3-carboxylate. or
[4R-[4α, 5β,6β(R*)] ]-3-[(diphenoxyphosphinyl)oxy] -6- (1-hydroxyethyl) -4- methyl -7- oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid,(4-nitrophenyl)methyl ester

Molecular Formula：C29H27N2O10P
MW：594.52
CAS No：[90776-59-3]
Appearance: power with white or alike color
Mp：126-130℃
[α]D20: +45～+55°
Moisture：≤0.5%
Assay：≥98%
Container：20kg/bucket
Reposition：-8~10℃