Cefoxitin sodium

(Mfr: MSD)(Conc/L: 10 and 20 g)

Aztreonam

(Mfr: SQ)(Conc/L: 10 and 20 g)

Test Solution:

NS^a

Remarks:

3 to 5% aztreonam loss and no cefoxitin loss in 7 days at 4°C

Ref:

¹⁰²³