Enrofloxacin,neat,neat,10mg,

Ethanol standard in serum,1.5g/L,serum, 1.5mL

Metoprolol (free base), 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 51384-51-1

Demeton-S-methyl-sulfoxide, 10 µg/ml, Ethyl aceta