121181-53-1 Colony-stimulating factor (human clone 1034), N-L-methionyl- DRG-0086 FILGRASTIM Filgrastim [USAN:BAN:INN] Filgrastime [INN-French] Filgrastimum [INN-Latin] Granulocyte colony stimulating factor, recombinant N-L-Methionylcolony-stimulating factor (human clone 1034) Neupogen Recombinant methionyl granulocyte colony stimulating factor r-metHug-C-SF r-metHug-CSF rG-CSF