Flumequine, 100 µg/ml, Methanol, 1ml

1H,1H,2H,2H-Perfluoro-n-octyl acrylate-d3,50 µg/mL,MeOH,1mL,

Hydroxy-Boscalid, 5mg

3,3',4,5'-Tetrachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane