D12-Benzo[a]pyrene, 10.0 µg/ml, Acetonitrile, 1m

1H,1H,2H,2H-Perfluoro-n-octyl methacrylate-d5,50 µg/mL,MeOH,1mL,

25-Hydroxyvitamin D2-d6, 50µg/ml in MeOH, 1ml

Tribenuron methyl