Hexachlorobenzene (13C6, 99%), 100µg/ml in Nonane, 1,2ml

Desfuroyl Ceftiofur Cysteine Disulfide (Contain 5% Ceftiofur), 1mg

Irbesartan,100 µg/mL,MeOH,1mL,

EPA Method 8121 Analytes