1ß-methyl vinyl phosphate (MAP or MVP) ;
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-[4a, 5ß,6ß(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.
Structural Formula : 
Molecular Formula : C 29 H 27 N 2 O 10 P
MW : 594.52
CAS No : [90776-59-3]
Appearance: power with white or alike color
Mp : 126-130
° C
[a]D 20 : +45 ~ +55°
Moisture : 0.5%
Assay : 96%
Container : 20kg/bucket
Reposition : -8~10
° C
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