13 rekombinant human G- CSF (r- metHuG- CSF) med et enkelt 20 kDa polyethylen glykol (PEG) molekyle.
Pegfilgrastim is a covalent conjugate of recombinant human G-CSF (r-metHuG-CSF) with a single 20 kd polyethylene glycol (PEG) molecule.