Ceftiofur sodium, 100mg

2,3',6-Trichlorobiphenyl ,100 µg/mL,isooctane,1mL,

8260B Purgeable Internal Standard

3,3',4,4',5-Pentachlorobiphenyl, 100 µg/mL, Solvent-dimethylsulfoxide, Unit 1mL, # of units-1, Cas.no. 57465-28-8